Home / 877,517.60-1,316,276.40-456,738.80

Finding the Fourth Proportional to 877,517.60, 1,316,276.40 and 456,738.80

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Solution

The fourth proportional to 877,517.60, 1,316,276.40 and 456,738.80 is: 685,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,517.60 : 1,316,276.40 = 456,738.80 : x
  2. Step 2: Convert to fraction form
    877,517.60/1,316,276.40 = 456,738.80/x
  3. Step 3: Cross multiply
    877,517.60x = 1,316,276.40 × 456,738.80
  4. Step 4: Simplify right side
    877,517.60x = 601,194,503,404.32
  5. Step 5: Solve for x
    x = 601,194,503,404.32/877,517.60
  6. Step 6: Final answer
    x = 685,108.20

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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.