Home / 778,275.32-1,167,350.65-346,126.58

Finding the Fourth Proportional to 778,275.32, 1,167,350.65 and 346,126.58

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Solution

The fourth proportional to 778,275.32, 1,167,350.65 and 346,126.58 is: 519,162.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,275.32 : 1,167,350.65 = 346,126.58 : x
  2. Step 2: Convert to fraction form
    778,275.32/1,167,350.65 = 346,126.58/x
  3. Step 3: Cross multiply
    778,275.32x = 1,167,350.65 × 346,126.58
  4. Step 4: Simplify right side
    778,275.32x = 404,051,088,145.28
  5. Step 5: Solve for x
    x = 404,051,088,145.28/778,275.32
  6. Step 6: Final answer
    x = 519,162.15

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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.