Home / 898,151.10-1,239,447.75-495,742.14

Finding the Fourth Proportional to 898,151.10, 1,239,447.75 and 495,742.14

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Solution

The fourth proportional to 898,151.10, 1,239,447.75 and 495,742.14 is: 684,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,151.10 : 1,239,447.75 = 495,742.14 : x
  2. Step 2: Convert to fraction form
    898,151.10/1,239,447.75 = 495,742.14/x
  3. Step 3: Cross multiply
    898,151.10x = 1,239,447.75 × 495,742.14
  4. Step 4: Simplify right side
    898,151.10x = 614,446,480,003.19
  5. Step 5: Solve for x
    x = 614,446,480,003.19/898,151.10
  6. Step 6: Final answer
    x = 684,123.73

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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.