Home / 889,000.60-1,334,084.10-509,920.60

Finding the Fourth Proportional to 889,000.60, 1,334,084.10 and 509,920.60

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Solution

The fourth proportional to 889,000.60, 1,334,084.10 and 509,920.60 is: 765,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,000.60 : 1,334,084.10 = 509,920.60 : x
  2. Step 2: Convert to fraction form
    889,000.60/1,334,084.10 = 509,920.60/x
  3. Step 3: Cross multiply
    889,000.60x = 1,334,084.10 × 509,920.60
  4. Step 4: Simplify right side
    889,000.60x = 680,276,964,722.46
  5. Step 5: Solve for x
    x = 680,276,964,722.46/889,000.60
  6. Step 6: Final answer
    x = 765,215.42

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Double scale
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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.