Home / 948,604.32-1,309,046.13-518,875.20

Finding the Fourth Proportional to 948,604.32, 1,309,046.13 and 518,875.20

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Solution

The fourth proportional to 948,604.32, 1,309,046.13 and 518,875.20 is: 716,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,604.32 : 1,309,046.13 = 518,875.20 : x
  2. Step 2: Convert to fraction form
    948,604.32/1,309,046.13 = 518,875.20/x
  3. Step 3: Cross multiply
    948,604.32x = 1,309,046.13 × 518,875.20
  4. Step 4: Simplify right side
    948,604.32x = 679,231,572,512.98
  5. Step 5: Solve for x
    x = 679,231,572,512.98/948,604.32
  6. Step 6: Final answer
    x = 716,032.55

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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.