Home / 753,102.16-1,039,287.72-413,572.84

Finding the Fourth Proportional to 753,102.16, 1,039,287.72 and 413,572.84

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Solution

The fourth proportional to 753,102.16, 1,039,287.72 and 413,572.84 is: 570,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,102.16 : 1,039,287.72 = 413,572.84 : x
  2. Step 2: Convert to fraction form
    753,102.16/1,039,287.72 = 413,572.84/x
  3. Step 3: Cross multiply
    753,102.16x = 1,039,287.72 × 413,572.84
  4. Step 4: Simplify right side
    753,102.16x = 429,821,173,937.53
  5. Step 5: Solve for x
    x = 429,821,173,937.53/753,102.16
  6. Step 6: Final answer
    x = 570,734.22

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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.