Home / 898,871.52-1,240,449.12-496,463.52

Finding the Fourth Proportional to 898,871.52, 1,240,449.12 and 496,463.52

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Solution

The fourth proportional to 898,871.52, 1,240,449.12 and 496,463.52 is: 685,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,871.52 : 1,240,449.12 = 496,463.52 : x
  2. Step 2: Convert to fraction form
    898,871.52/1,240,449.12 = 496,463.52/x
  3. Step 3: Cross multiply
    898,871.52x = 1,240,449.12 × 496,463.52
  4. Step 4: Simplify right side
    898,871.52x = 615,837,736,496.10
  5. Step 5: Solve for x
    x = 615,837,736,496.10/898,871.52
  6. Step 6: Final answer
    x = 685,123.20

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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.