Home / 887,556.10-1,330,605.15-382,504.90

Finding the Fourth Proportional to 887,556.10, 1,330,605.15 and 382,504.90

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Solution

The fourth proportional to 887,556.10, 1,330,605.15 and 382,504.90 is: 573,443.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,556.10 : 1,330,605.15 = 382,504.90 : x
  2. Step 2: Convert to fraction form
    887,556.10/1,330,605.15 = 382,504.90/x
  3. Step 3: Cross multiply
    887,556.10x = 1,330,605.15 × 382,504.90
  4. Step 4: Simplify right side
    887,556.10x = 508,962,989,840.24
  5. Step 5: Solve for x
    x = 508,962,989,840.24/887,556.10
  6. Step 6: Final answer
    x = 573,443.18

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Double scale
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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.