Home / 877,458.25-1,316,187.56-316,492.69

Finding the Fourth Proportional to 877,458.25, 1,316,187.56 and 316,492.69

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Solution

The fourth proportional to 877,458.25, 1,316,187.56 and 316,492.69 is: 474,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,458.25 : 1,316,187.56 = 316,492.69 : x
  2. Step 2: Convert to fraction form
    877,458.25/1,316,187.56 = 316,492.69/x
  3. Step 3: Cross multiply
    877,458.25x = 1,316,187.56 × 316,492.69
  4. Step 4: Simplify right side
    877,458.25x = 416,563,739,826.47
  5. Step 5: Solve for x
    x = 416,563,739,826.47/877,458.25
  6. Step 6: Final answer
    x = 474,739.10

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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.