Home / 695,855.50-1,042,011.32-458,478.52

Finding the Fourth Proportional to 695,855.50, 1,042,011.32 and 458,478.52

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Solution

The fourth proportional to 695,855.50, 1,042,011.32 and 458,478.52 is: 686,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,855.50 : 1,042,011.32 = 458,478.52 : x
  2. Step 2: Convert to fraction form
    695,855.50/1,042,011.32 = 458,478.52/x
  3. Step 3: Cross multiply
    695,855.50x = 1,042,011.32 × 458,478.52
  4. Step 4: Simplify right side
    695,855.50x = 477,739,800,314.40
  5. Step 5: Solve for x
    x = 477,739,800,314.40/695,855.50
  6. Step 6: Final answer
    x = 686,550.30

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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.