Home / 502,130.93-692,938.53-272,686.61

Finding the Fourth Proportional to 502,130.93, 692,938.53 and 272,686.61

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Solution

The fourth proportional to 502,130.93, 692,938.53 and 272,686.61 is: 376,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,130.93 : 692,938.53 = 272,686.61 : x
  2. Step 2: Convert to fraction form
    502,130.93/692,938.53 = 272,686.61/x
  3. Step 3: Cross multiply
    502,130.93x = 692,938.53 × 272,686.61
  4. Step 4: Simplify right side
    502,130.93x = 188,955,055,219.39
  5. Step 5: Solve for x
    x = 188,955,055,219.39/502,130.93
  6. Step 6: Final answer
    x = 376,306.35

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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.