Home / 916,000.20-1,374,000.30-679,804.20

Finding the Fourth Proportional to 916,000.20, 1,374,000.30 and 679,804.20

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Solution

The fourth proportional to 916,000.20, 1,374,000.30 and 679,804.20 is: 1,019,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,000.20 : 1,374,000.30 = 679,804.20 : x
  2. Step 2: Convert to fraction form
    916,000.20/1,374,000.30 = 679,804.20/x
  3. Step 3: Cross multiply
    916,000.20x = 1,374,000.30 × 679,804.20
  4. Step 4: Simplify right side
    916,000.20x = 934,051,174,741.26
  5. Step 5: Solve for x
    x = 934,051,174,741.26/916,000.20
  6. Step 6: Final answer
    x = 1,019,706.30

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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.