Home / 877,515.60-1,316,273.40-456,736.80

Finding the Fourth Proportional to 877,515.60, 1,316,273.40 and 456,736.80

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Solution

The fourth proportional to 877,515.60, 1,316,273.40 and 456,736.80 is: 685,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,515.60 : 1,316,273.40 = 456,736.80 : x
  2. Step 2: Convert to fraction form
    877,515.60/1,316,273.40 = 456,736.80/x
  3. Step 3: Cross multiply
    877,515.60x = 1,316,273.40 × 456,736.80
  4. Step 4: Simplify right side
    877,515.60x = 601,190,500,641.12
  5. Step 5: Solve for x
    x = 601,190,500,641.12/877,515.60
  6. Step 6: Final answer
    x = 685,105.20

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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.