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Finding the Fourth Proportional to 549,065.80, 823,598.70 and 283,345.30

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Solution

The fourth proportional to 549,065.80, 823,598.70 and 283,345.30 is: 425,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,065.80 : 823,598.70 = 283,345.30 : x
  2. Step 2: Convert to fraction form
    549,065.80/823,598.70 = 283,345.30/x
  3. Step 3: Cross multiply
    549,065.80x = 823,598.70 × 283,345.30
  4. Step 4: Simplify right side
    549,065.80x = 233,362,820,731.11
  5. Step 5: Solve for x
    x = 233,362,820,731.11/549,065.80
  6. Step 6: Final answer
    x = 425,017.95

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Similar ratio
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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.