Home / 877,958.16-1,316,332.15-345,540.30

Finding the Fourth Proportional to 877,958.16, 1,316,332.15 and 345,540.30

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Solution

The fourth proportional to 877,958.16, 1,316,332.15 and 345,540.30 is: 518,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,958.16 : 1,316,332.15 = 345,540.30 : x
  2. Step 2: Convert to fraction form
    877,958.16/1,316,332.15 = 345,540.30/x
  3. Step 3: Cross multiply
    877,958.16x = 1,316,332.15 × 345,540.30
  4. Step 4: Simplify right side
    877,958.16x = 454,845,800,210.55
  5. Step 5: Solve for x
    x = 454,845,800,210.55/877,958.16
  6. Step 6: Final answer
    x = 518,072.30

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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.