Home / 913,649.30-1,369,703.24-575,945.66

Finding the Fourth Proportional to 913,649.30, 1,369,703.24 and 575,945.66

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Solution

The fourth proportional to 913,649.30, 1,369,703.24 and 575,945.66 is: 863,432.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,649.30 : 1,369,703.24 = 575,945.66 : x
  2. Step 2: Convert to fraction form
    913,649.30/1,369,703.24 = 575,945.66/x
  3. Step 3: Cross multiply
    913,649.30x = 1,369,703.24 × 575,945.66
  4. Step 4: Simplify right side
    913,649.30x = 788,874,636,565.94
  5. Step 5: Solve for x
    x = 788,874,636,565.94/913,649.30
  6. Step 6: Final answer
    x = 863,432.65

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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.