Home / 778,325.76-1,167,125.76-404,248.32

Finding the Fourth Proportional to 778,325.76, 1,167,125.76 and 404,248.32

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Solution

The fourth proportional to 778,325.76, 1,167,125.76 and 404,248.32 is: 606,184.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,325.76 : 1,167,125.76 = 404,248.32 : x
  2. Step 2: Convert to fraction form
    778,325.76/1,167,125.76 = 404,248.32/x
  3. Step 3: Cross multiply
    778,325.76x = 1,167,125.76 × 404,248.32
  4. Step 4: Simplify right side
    778,325.76x = 471,808,627,708.72
  5. Step 5: Solve for x
    x = 471,808,627,708.72/778,325.76
  6. Step 6: Final answer
    x = 606,184.01

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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.