Home / 731,780.24-1,009,536.20-429,838.16

Finding the Fourth Proportional to 731,780.24, 1,009,536.20 and 429,838.16

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Solution

The fourth proportional to 731,780.24, 1,009,536.20 and 429,838.16 is: 592,988.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,780.24 : 1,009,536.20 = 429,838.16 : x
  2. Step 2: Convert to fraction form
    731,780.24/1,009,536.20 = 429,838.16/x
  3. Step 3: Cross multiply
    731,780.24x = 1,009,536.20 × 429,838.16
  4. Step 4: Simplify right side
    731,780.24x = 433,937,182,661.39
  5. Step 5: Solve for x
    x = 433,937,182,661.39/731,780.24
  6. Step 6: Final answer
    x = 592,988.38

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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.