Home / 549,061.20-822,935.70-282,684.60

Finding the Fourth Proportional to 549,061.20, 822,935.70 and 282,684.60

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Solution

The fourth proportional to 549,061.20, 822,935.70 and 282,684.60 is: 423,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,061.20 : 822,935.70 = 282,684.60 : x
  2. Step 2: Convert to fraction form
    549,061.20/822,935.70 = 282,684.60/x
  3. Step 3: Cross multiply
    549,061.20x = 822,935.70 × 282,684.60
  4. Step 4: Simplify right side
    549,061.20x = 232,631,249,180.22
  5. Step 5: Solve for x
    x = 232,631,249,180.22/549,061.20
  6. Step 6: Final answer
    x = 423,689.11

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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.