Home / 898,101.80-1,346,437.08-518,591.64

Finding the Fourth Proportional to 898,101.80, 1,346,437.08 and 518,591.64

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Solution

The fourth proportional to 898,101.80, 1,346,437.08 and 518,591.64 is: 777,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,101.80 : 1,346,437.08 = 518,591.64 : x
  2. Step 2: Convert to fraction form
    898,101.80/1,346,437.08 = 518,591.64/x
  3. Step 3: Cross multiply
    898,101.80x = 1,346,437.08 × 518,591.64
  4. Step 4: Simplify right side
    898,101.80x = 698,251,013,474.01
  5. Step 5: Solve for x
    x = 698,251,013,474.01/898,101.80
  6. Step 6: Final answer
    x = 777,474.24

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1.5x scale

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.