Home / 877,696.68-1,316,479.36-316,731.16

Finding the Fourth Proportional to 877,696.68, 1,316,479.36 and 316,731.16

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Solution

The fourth proportional to 877,696.68, 1,316,479.36 and 316,731.16 is: 475,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,696.68 : 1,316,479.36 = 316,731.16 : x
  2. Step 2: Convert to fraction form
    877,696.68/1,316,479.36 = 316,731.16/x
  3. Step 3: Cross multiply
    877,696.68x = 1,316,479.36 × 316,731.16
  4. Step 4: Simplify right side
    877,696.68x = 416,970,034,808.86
  5. Step 5: Solve for x
    x = 416,970,034,808.86/877,696.68
  6. Step 6: Final answer
    x = 475,073.05

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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.