Home / 908,000.70-1,362,001.05-346,962.30

Finding the Fourth Proportional to 908,000.70, 1,362,001.05 and 346,962.30

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Solution

The fourth proportional to 908,000.70, 1,362,001.05 and 346,962.30 is: 520,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,000.70 : 1,362,001.05 = 346,962.30 : x
  2. Step 2: Convert to fraction form
    908,000.70/1,362,001.05 = 346,962.30/x
  3. Step 3: Cross multiply
    908,000.70x = 1,362,001.05 × 346,962.30
  4. Step 4: Simplify right side
    908,000.70x = 472,563,016,910.42
  5. Step 5: Solve for x
    x = 472,563,016,910.42/908,000.70
  6. Step 6: Final answer
    x = 520,443.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.