Home / 830,691.06-1,146,354.24-448,718.04

Finding the Fourth Proportional to 830,691.06, 1,146,354.24 and 448,718.04

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Solution

The fourth proportional to 830,691.06, 1,146,354.24 and 448,718.04 is: 619,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,691.06 : 1,146,354.24 = 448,718.04 : x
  2. Step 2: Convert to fraction form
    830,691.06/1,146,354.24 = 448,718.04/x
  3. Step 3: Cross multiply
    830,691.06x = 1,146,354.24 × 448,718.04
  4. Step 4: Simplify right side
    830,691.06x = 514,389,827,718.49
  5. Step 5: Solve for x
    x = 514,389,827,718.49/830,691.06
  6. Step 6: Final answer
    x = 619,231.21

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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.