Home / 652,304.16-977,962.77-427,721.13

Finding the Fourth Proportional to 652,304.16, 977,962.77 and 427,721.13

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Solution

The fourth proportional to 652,304.16, 977,962.77 and 427,721.13 is: 641,258.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,304.16 : 977,962.77 = 427,721.13 : x
  2. Step 2: Convert to fraction form
    652,304.16/977,962.77 = 427,721.13/x
  3. Step 3: Cross multiply
    652,304.16x = 977,962.77 × 427,721.13
  4. Step 4: Simplify right side
    652,304.16x = 418,295,341,082.33
  5. Step 5: Solve for x
    x = 418,295,341,082.33/652,304.16
  6. Step 6: Final answer
    x = 641,258.12

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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.