Home / 840,785.10-1,160,307.95-458,836.48

Finding the Fourth Proportional to 840,785.10, 1,160,307.95 and 458,836.48

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Solution

The fourth proportional to 840,785.10, 1,160,307.95 and 458,836.48 is: 633,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,785.10 : 1,160,307.95 = 458,836.48 : x
  2. Step 2: Convert to fraction form
    840,785.10/1,160,307.95 = 458,836.48/x
  3. Step 3: Cross multiply
    840,785.10x = 1,160,307.95 × 458,836.48
  4. Step 4: Simplify right side
    840,785.10x = 532,391,615,494.02
  5. Step 5: Solve for x
    x = 532,391,615,494.02/840,785.10
  6. Step 6: Final answer
    x = 633,207.72

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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.