Home / 772,456.95-1,159,005.51-417,053.25

Finding the Fourth Proportional to 772,456.95, 1,159,005.51 and 417,053.25

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Solution

The fourth proportional to 772,456.95, 1,159,005.51 and 417,053.25 is: 625,752.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,456.95 : 1,159,005.51 = 417,053.25 : x
  2. Step 2: Convert to fraction form
    772,456.95/1,159,005.51 = 417,053.25/x
  3. Step 3: Cross multiply
    772,456.95x = 1,159,005.51 × 417,053.25
  4. Step 4: Simplify right side
    772,456.95x = 483,367,014,713.41
  5. Step 5: Solve for x
    x = 483,367,014,713.41/772,456.95
  6. Step 6: Final answer
    x = 625,752.69

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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.