Home / 642,849.20-963,352.20-473,044.40

Finding the Fourth Proportional to 642,849.20, 963,352.20 and 473,044.40

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Solution

The fourth proportional to 642,849.20, 963,352.20 and 473,044.40 is: 708,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,849.20 : 963,352.20 = 473,044.40 : x
  2. Step 2: Convert to fraction form
    642,849.20/963,352.20 = 473,044.40/x
  3. Step 3: Cross multiply
    642,849.20x = 963,352.20 × 473,044.40
  4. Step 4: Simplify right side
    642,849.20x = 455,708,363,437.68
  5. Step 5: Solve for x
    x = 455,708,363,437.68/642,849.20
  6. Step 6: Final answer
    x = 708,888.44

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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.