Home / 782,637.02-1,172,426.56-539,434.87

Finding the Fourth Proportional to 782,637.02, 1,172,426.56 and 539,434.87

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Solution

The fourth proportional to 782,637.02, 1,172,426.56 and 539,434.87 is: 808,098.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,637.02 : 1,172,426.56 = 539,434.87 : x
  2. Step 2: Convert to fraction form
    782,637.02/1,172,426.56 = 539,434.87/x
  3. Step 3: Cross multiply
    782,637.02x = 1,172,426.56 × 539,434.87
  4. Step 4: Simplify right side
    782,637.02x = 632,447,772,810.55
  5. Step 5: Solve for x
    x = 632,447,772,810.55/782,637.02
  6. Step 6: Final answer
    x = 808,098.46

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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.