Home / 702,000.80-1,049,929.20-627,658.40

Finding the Fourth Proportional to 702,000.80, 1,049,929.20 and 627,658.40

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Solution

The fourth proportional to 702,000.80, 1,049,929.20 and 627,658.40 is: 938,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,000.80 : 1,049,929.20 = 627,658.40 : x
  2. Step 2: Convert to fraction form
    702,000.80/1,049,929.20 = 627,658.40/x
  3. Step 3: Cross multiply
    702,000.80x = 1,049,929.20 × 627,658.40
  4. Step 4: Simplify right side
    702,000.80x = 658,996,881,785.28
  5. Step 5: Solve for x
    x = 658,996,881,785.28/702,000.80
  6. Step 6: Final answer
    x = 938,740.93

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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.