Home / 840,717.42-1,160,218.02-458,765.16

Finding the Fourth Proportional to 840,717.42, 1,160,218.02 and 458,765.16

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Solution

The fourth proportional to 840,717.42, 1,160,218.02 and 458,765.16 is: 633,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,717.42 : 1,160,218.02 = 458,765.16 : x
  2. Step 2: Convert to fraction form
    840,717.42/1,160,218.02 = 458,765.16/x
  3. Step 3: Cross multiply
    840,717.42x = 1,160,218.02 × 458,765.16
  4. Step 4: Simplify right side
    840,717.42x = 532,267,605,580.18
  5. Step 5: Solve for x
    x = 532,267,605,580.18/840,717.42
  6. Step 6: Final answer
    x = 633,111.19

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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.