Home / 670,365.08-1,005,875.42-315,414.44

Finding the Fourth Proportional to 670,365.08, 1,005,875.42 and 315,414.44

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Solution

The fourth proportional to 670,365.08, 1,005,875.42 and 315,414.44 is: 473,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,365.08 : 1,005,875.42 = 315,414.44 : x
  2. Step 2: Convert to fraction form
    670,365.08/1,005,875.42 = 315,414.44/x
  3. Step 3: Cross multiply
    670,365.08x = 1,005,875.42 × 315,414.44
  4. Step 4: Simplify right side
    670,365.08x = 317,267,632,309.07
  5. Step 5: Solve for x
    x = 317,267,632,309.07/670,365.08
  6. Step 6: Final answer
    x = 473,275.89

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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.