Home / 827,881.04-1,240,937.40-472,129.04

Finding the Fourth Proportional to 827,881.04, 1,240,937.40 and 472,129.04

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Solution

The fourth proportional to 827,881.04, 1,240,937.40 and 472,129.04 is: 707,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,881.04 : 1,240,937.40 = 472,129.04 : x
  2. Step 2: Convert to fraction form
    827,881.04/1,240,937.40 = 472,129.04/x
  3. Step 3: Cross multiply
    827,881.04x = 1,240,937.40 × 472,129.04
  4. Step 4: Simplify right side
    827,881.04x = 585,882,583,362.10
  5. Step 5: Solve for x
    x = 585,882,583,362.10/827,881.04
  6. Step 6: Final answer
    x = 707,689.34

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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.