Home / 486,822.30-730,233.45-353,075.10

Finding the Fourth Proportional to 486,822.30, 730,233.45 and 353,075.10

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Solution

The fourth proportional to 486,822.30, 730,233.45 and 353,075.10 is: 529,612.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,822.30 : 730,233.45 = 353,075.10 : x
  2. Step 2: Convert to fraction form
    486,822.30/730,233.45 = 353,075.10/x
  3. Step 3: Cross multiply
    486,822.30x = 730,233.45 × 353,075.10
  4. Step 4: Simplify right side
    486,822.30x = 257,827,248,382.10
  5. Step 5: Solve for x
    x = 257,827,248,382.10/486,822.30
  6. Step 6: Final answer
    x = 529,612.65

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Similar ratio
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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.