Home / 778,158.36-1,166,898.54-413,340.14

Finding the Fourth Proportional to 778,158.36, 1,166,898.54 and 413,340.14

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Solution

The fourth proportional to 778,158.36, 1,166,898.54 and 413,340.14 is: 619,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,158.36 : 1,166,898.54 = 413,340.14 : x
  2. Step 2: Convert to fraction form
    778,158.36/1,166,898.54 = 413,340.14/x
  3. Step 3: Cross multiply
    778,158.36x = 1,166,898.54 × 413,340.14
  4. Step 4: Simplify right side
    778,158.36x = 482,326,000,054.90
  5. Step 5: Solve for x
    x = 482,326,000,054.90/778,158.36
  6. Step 6: Final answer
    x = 619,830.13

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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.