Home / 815,669.48-1,125,587.40-453,118.52

Finding the Fourth Proportional to 815,669.48, 1,125,587.40 and 453,118.52

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Solution

The fourth proportional to 815,669.48, 1,125,587.40 and 453,118.52 is: 625,283.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,669.48 : 1,125,587.40 = 453,118.52 : x
  2. Step 2: Convert to fraction form
    815,669.48/1,125,587.40 = 453,118.52/x
  3. Step 3: Cross multiply
    815,669.48x = 1,125,587.40 × 453,118.52
  4. Step 4: Simplify right side
    815,669.48x = 510,024,496,818.65
  5. Step 5: Solve for x
    x = 510,024,496,818.65/815,669.48
  6. Step 6: Final answer
    x = 625,283.29

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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.