Home / 971,352.60-1,455,473.70-615,730.20

Finding the Fourth Proportional to 971,352.60, 1,455,473.70 and 615,730.20

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Solution

The fourth proportional to 971,352.60, 1,455,473.70 and 615,730.20 is: 922,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,352.60 : 1,455,473.70 = 615,730.20 : x
  2. Step 2: Convert to fraction form
    971,352.60/1,455,473.70 = 615,730.20/x
  3. Step 3: Cross multiply
    971,352.60x = 1,455,473.70 × 615,730.20
  4. Step 4: Simplify right side
    971,352.60x = 896,179,112,395.74
  5. Step 5: Solve for x
    x = 896,179,112,395.74/971,352.60
  6. Step 6: Final answer
    x = 922,609.48

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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.