Home / 898,320.30-1,345,512.15-477,104.10

Finding the Fourth Proportional to 898,320.30, 1,345,512.15 and 477,104.10

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Solution

The fourth proportional to 898,320.30, 1,345,512.15 and 477,104.10 is: 714,610.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,320.30 : 1,345,512.15 = 477,104.10 : x
  2. Step 2: Convert to fraction form
    898,320.30/1,345,512.15 = 477,104.10/x
  3. Step 3: Cross multiply
    898,320.30x = 1,345,512.15 × 477,104.10
  4. Step 4: Simplify right side
    898,320.30x = 641,949,363,364.82
  5. Step 5: Solve for x
    x = 641,949,363,364.82/898,320.30
  6. Step 6: Final answer
    x = 714,610.77

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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.