Home / 704,730.13-972,528.20-382,440.22

Finding the Fourth Proportional to 704,730.13, 972,528.20 and 382,440.22

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Solution

The fourth proportional to 704,730.13, 972,528.20 and 382,440.22 is: 527,767.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,730.13 : 972,528.20 = 382,440.22 : x
  2. Step 2: Convert to fraction form
    704,730.13/972,528.20 = 382,440.22/x
  3. Step 3: Cross multiply
    704,730.13x = 972,528.20 × 382,440.22
  4. Step 4: Simplify right side
    704,730.13x = 371,933,898,764.20
  5. Step 5: Solve for x
    x = 371,933,898,764.20/704,730.13
  6. Step 6: Final answer
    x = 527,767.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.