Home / 712,464.59-1,068,730.10-396,683.66

Finding the Fourth Proportional to 712,464.59, 1,068,730.10 and 396,683.66

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Solution

The fourth proportional to 712,464.59, 1,068,730.10 and 396,683.66 is: 595,043.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,464.59 : 1,068,730.10 = 396,683.66 : x
  2. Step 2: Convert to fraction form
    712,464.59/1,068,730.10 = 396,683.66/x
  3. Step 3: Cross multiply
    712,464.59x = 1,068,730.10 × 396,683.66
  4. Step 4: Simplify right side
    712,464.59x = 423,947,767,620.17
  5. Step 5: Solve for x
    x = 423,947,767,620.17/712,464.59
  6. Step 6: Final answer
    x = 595,043.98

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1.5x scale

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.