Home / 452,387.74-677,547.76-215,896.50

Finding the Fourth Proportional to 452,387.74, 677,547.76 and 215,896.50

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Solution

The fourth proportional to 452,387.74, 677,547.76 and 215,896.50 is: 323,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,387.74 : 677,547.76 = 215,896.50 : x
  2. Step 2: Convert to fraction form
    452,387.74/677,547.76 = 215,896.50/x
  3. Step 3: Cross multiply
    452,387.74x = 677,547.76 × 215,896.50
  4. Step 4: Simplify right side
    452,387.74x = 146,280,189,966.84
  5. Step 5: Solve for x
    x = 146,280,189,966.84/452,387.74
  6. Step 6: Final answer
    x = 323,351.36

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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.