Home / 877,583.20-1,316,374.80-727,992.40

Finding the Fourth Proportional to 877,583.20, 1,316,374.80 and 727,992.40

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Solution

The fourth proportional to 877,583.20, 1,316,374.80 and 727,992.40 is: 1,091,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,583.20 : 1,316,374.80 = 727,992.40 : x
  2. Step 2: Convert to fraction form
    877,583.20/1,316,374.80 = 727,992.40/x
  3. Step 3: Cross multiply
    877,583.20x = 1,316,374.80 × 727,992.40
  4. Step 4: Simplify right side
    877,583.20x = 958,310,849,951.52
  5. Step 5: Solve for x
    x = 958,310,849,951.52/877,583.20
  6. Step 6: Final answer
    x = 1,091,988.60

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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.