Home / 898,729.98-1,240,254.63-496,321.98

Finding the Fourth Proportional to 898,729.98, 1,240,254.63 and 496,321.98

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Solution

The fourth proportional to 898,729.98, 1,240,254.63 and 496,321.98 is: 684,928.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,729.98 : 1,240,254.63 = 496,321.98 : x
  2. Step 2: Convert to fraction form
    898,729.98/1,240,254.63 = 496,321.98/x
  3. Step 3: Cross multiply
    898,729.98x = 1,240,254.63 × 496,321.98
  4. Step 4: Simplify right side
    898,729.98x = 615,565,633,665.77
  5. Step 5: Solve for x
    x = 615,565,633,665.77/898,729.98
  6. Step 6: Final answer
    x = 684,928.34

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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.