Home / 916,328.40-1,374,423.40-376,437.55

Finding the Fourth Proportional to 916,328.40, 1,374,423.40 and 376,437.55

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Solution

The fourth proportional to 916,328.40, 1,374,423.40 and 376,437.55 is: 564,627.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,328.40 : 1,374,423.40 = 376,437.55 : x
  2. Step 2: Convert to fraction form
    916,328.40/1,374,423.40 = 376,437.55/x
  3. Step 3: Cross multiply
    916,328.40x = 1,374,423.40 × 376,437.55
  4. Step 4: Simplify right side
    916,328.40x = 517,384,570,285.45
  5. Step 5: Solve for x
    x = 517,384,570,285.45/916,328.40
  6. Step 6: Final answer
    x = 564,627.89

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Double scale
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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.