Home / 865,674.15-1,298,511.23-546,809.55

Finding the Fourth Proportional to 865,674.15, 1,298,511.23 and 546,809.55

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Solution

The fourth proportional to 865,674.15, 1,298,511.23 and 546,809.55 is: 820,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,674.15 : 1,298,511.23 = 546,809.55 : x
  2. Step 2: Convert to fraction form
    865,674.15/1,298,511.23 = 546,809.55/x
  3. Step 3: Cross multiply
    865,674.15x = 1,298,511.23 × 546,809.55
  4. Step 4: Simplify right side
    865,674.15x = 710,038,338,612.20
  5. Step 5: Solve for x
    x = 710,038,338,612.20/865,674.15
  6. Step 6: Final answer
    x = 820,214.33

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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.