Home / 987,159.68-1,480,744.08-304,038.40

Finding the Fourth Proportional to 987,159.68, 1,480,744.08 and 304,038.40

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Solution

The fourth proportional to 987,159.68, 1,480,744.08 and 304,038.40 is: 456,059.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,159.68 : 1,480,744.08 = 304,038.40 : x
  2. Step 2: Convert to fraction form
    987,159.68/1,480,744.08 = 304,038.40/x
  3. Step 3: Cross multiply
    987,159.68x = 1,480,744.08 × 304,038.40
  4. Step 4: Simplify right side
    987,159.68x = 450,203,060,892.67
  5. Step 5: Solve for x
    x = 450,203,060,892.67/987,159.68
  6. Step 6: Final answer
    x = 456,059.00

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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.