Home / 868,263.36-1,302,839.28-413,368.89

Finding the Fourth Proportional to 868,263.36, 1,302,839.28 and 413,368.89

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Solution

The fourth proportional to 868,263.36, 1,302,839.28 and 413,368.89 is: 620,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,263.36 : 1,302,839.28 = 413,368.89 : x
  2. Step 2: Convert to fraction form
    868,263.36/1,302,839.28 = 413,368.89/x
  3. Step 3: Cross multiply
    868,263.36x = 1,302,839.28 × 413,368.89
  4. Step 4: Simplify right side
    868,263.36x = 538,553,227,022.00
  5. Step 5: Solve for x
    x = 538,553,227,022.00/868,263.36
  6. Step 6: Final answer
    x = 620,264.83

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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.