Home / 791,381.95-1,092,108.06-428,805.52

Finding the Fourth Proportional to 791,381.95, 1,092,108.06 and 428,805.52

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Solution

The fourth proportional to 791,381.95, 1,092,108.06 and 428,805.52 is: 591,752.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,381.95 : 1,092,108.06 = 428,805.52 : x
  2. Step 2: Convert to fraction form
    791,381.95/1,092,108.06 = 428,805.52/x
  3. Step 3: Cross multiply
    791,381.95x = 1,092,108.06 × 428,805.52
  4. Step 4: Simplify right side
    791,381.95x = 468,301,961,834.22
  5. Step 5: Solve for x
    x = 468,301,961,834.22/791,381.95
  6. Step 6: Final answer
    x = 591,752.14

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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.