Home / 768,542.40-1,060,544.52-429,032.16

Finding the Fourth Proportional to 768,542.40, 1,060,544.52 and 429,032.16

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Solution

The fourth proportional to 768,542.40, 1,060,544.52 and 429,032.16 is: 592,039.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,542.40 : 1,060,544.52 = 429,032.16 : x
  2. Step 2: Convert to fraction form
    768,542.40/1,060,544.52 = 429,032.16/x
  3. Step 3: Cross multiply
    768,542.40x = 1,060,544.52 × 429,032.16
  4. Step 4: Simplify right side
    768,542.40x = 455,007,706,191.76
  5. Step 5: Solve for x
    x = 455,007,706,191.76/768,542.40
  6. Step 6: Final answer
    x = 592,039.82

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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.