Home / 898,729.48-1,240,253.94-496,321.48

Finding the Fourth Proportional to 898,729.48, 1,240,253.94 and 496,321.48

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Solution

The fourth proportional to 898,729.48, 1,240,253.94 and 496,321.48 is: 684,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,729.48 : 1,240,253.94 = 496,321.48 : x
  2. Step 2: Convert to fraction form
    898,729.48/1,240,253.94 = 496,321.48/x
  3. Step 3: Cross multiply
    898,729.48x = 1,240,253.94 × 496,321.48
  4. Step 4: Simplify right side
    898,729.48x = 615,564,671,076.63
  5. Step 5: Solve for x
    x = 615,564,671,076.63/898,729.48
  6. Step 6: Final answer
    x = 684,927.65

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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.