Home / 916,181.10-1,264,337.55-508,309.70

Finding the Fourth Proportional to 916,181.10, 1,264,337.55 and 508,309.70

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Solution

The fourth proportional to 916,181.10, 1,264,337.55 and 508,309.70 is: 701,471.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,181.10 : 1,264,337.55 = 508,309.70 : x
  2. Step 2: Convert to fraction form
    916,181.10/1,264,337.55 = 508,309.70/x
  3. Step 3: Cross multiply
    916,181.10x = 1,264,337.55 × 508,309.70
  4. Step 4: Simplify right side
    916,181.10x = 642,675,034,417.55
  5. Step 5: Solve for x
    x = 642,675,034,417.55/916,181.10
  6. Step 6: Final answer
    x = 701,471.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.