Home / 891,779.96-1,337,800.80-418,513.16

Finding the Fourth Proportional to 891,779.96, 1,337,800.80 and 418,513.16

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Solution

The fourth proportional to 891,779.96, 1,337,800.80 and 418,513.16 is: 627,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,779.96 : 1,337,800.80 = 418,513.16 : x
  2. Step 2: Convert to fraction form
    891,779.96/1,337,800.80 = 418,513.16/x
  3. Step 3: Cross multiply
    891,779.96x = 1,337,800.80 × 418,513.16
  4. Step 4: Simplify right side
    891,779.96x = 559,887,240,258.53
  5. Step 5: Solve for x
    x = 559,887,240,258.53/891,779.96
  6. Step 6: Final answer
    x = 627,831.15

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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.