Home / 695,280.60-1,042,920.90-340,349.40

Finding the Fourth Proportional to 695,280.60, 1,042,920.90 and 340,349.40

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Solution

The fourth proportional to 695,280.60, 1,042,920.90 and 340,349.40 is: 510,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,280.60 : 1,042,920.90 = 340,349.40 : x
  2. Step 2: Convert to fraction form
    695,280.60/1,042,920.90 = 340,349.40/x
  3. Step 3: Cross multiply
    695,280.60x = 1,042,920.90 × 340,349.40
  4. Step 4: Simplify right side
    695,280.60x = 354,957,502,562.46
  5. Step 5: Solve for x
    x = 354,957,502,562.46/695,280.60
  6. Step 6: Final answer
    x = 510,524.10

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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.