Home / 629,030.40-869,167.36-502,748.16

Finding the Fourth Proportional to 629,030.40, 869,167.36 and 502,748.16

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Solution

The fourth proportional to 629,030.40, 869,167.36 and 502,748.16 is: 694,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,030.40 : 869,167.36 = 502,748.16 : x
  2. Step 2: Convert to fraction form
    629,030.40/869,167.36 = 502,748.16/x
  3. Step 3: Cross multiply
    629,030.40x = 869,167.36 × 502,748.16
  4. Step 4: Simplify right side
    629,030.40x = 436,972,290,972.06
  5. Step 5: Solve for x
    x = 436,972,290,972.06/629,030.40
  6. Step 6: Final answer
    x = 694,675.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.