Home / 670,369.59-1,005,997.23-315,411.29

Finding the Fourth Proportional to 670,369.59, 1,005,997.23 and 315,411.29

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Solution

The fourth proportional to 670,369.59, 1,005,997.23 and 315,411.29 is: 473,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,369.59 : 1,005,997.23 = 315,411.29 : x
  2. Step 2: Convert to fraction form
    670,369.59/1,005,997.23 = 315,411.29/x
  3. Step 3: Cross multiply
    670,369.59x = 1,005,997.23 × 315,411.29
  4. Step 4: Simplify right side
    670,369.59x = 317,302,884,050.73
  5. Step 5: Solve for x
    x = 317,302,884,050.73/670,369.59
  6. Step 6: Final answer
    x = 473,325.30

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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.