Home / 877,501.60-1,316,252.40-456,722.80

Finding the Fourth Proportional to 877,501.60, 1,316,252.40 and 456,722.80

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Solution

The fourth proportional to 877,501.60, 1,316,252.40 and 456,722.80 is: 685,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,501.60 : 1,316,252.40 = 456,722.80 : x
  2. Step 2: Convert to fraction form
    877,501.60/1,316,252.40 = 456,722.80/x
  3. Step 3: Cross multiply
    877,501.60x = 1,316,252.40 × 456,722.80
  4. Step 4: Simplify right side
    877,501.60x = 601,162,481,634.72
  5. Step 5: Solve for x
    x = 601,162,481,634.72/877,501.60
  6. Step 6: Final answer
    x = 685,084.20

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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.