Home / 788,350.89-1,087,925.28-448,819.14

Finding the Fourth Proportional to 788,350.89, 1,087,925.28 and 448,819.14

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Solution

The fourth proportional to 788,350.89, 1,087,925.28 and 448,819.14 is: 619,371.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,350.89 : 1,087,925.28 = 448,819.14 : x
  2. Step 2: Convert to fraction form
    788,350.89/1,087,925.28 = 448,819.14/x
  3. Step 3: Cross multiply
    788,350.89x = 1,087,925.28 × 448,819.14
  4. Step 4: Simplify right side
    788,350.89x = 488,281,688,553.86
  5. Step 5: Solve for x
    x = 488,281,688,553.86/788,350.89
  6. Step 6: Final answer
    x = 619,371.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.