Home / 842,522.45-1,162,397.08-479,689.59

Finding the Fourth Proportional to 842,522.45, 1,162,397.08 and 479,689.59

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Solution

The fourth proportional to 842,522.45, 1,162,397.08 and 479,689.59 is: 661,810.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,522.45 : 1,162,397.08 = 479,689.59 : x
  2. Step 2: Convert to fraction form
    842,522.45/1,162,397.08 = 479,689.59/x
  3. Step 3: Cross multiply
    842,522.45x = 1,162,397.08 × 479,689.59
  4. Step 4: Simplify right side
    842,522.45x = 557,589,778,722.40
  5. Step 5: Solve for x
    x = 557,589,778,722.40/842,522.45
  6. Step 6: Final answer
    x = 661,810.00

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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.