Home / 739,649.48-1,020,747.02-417,359.79

Finding the Fourth Proportional to 739,649.48, 1,020,747.02 and 417,359.79

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Solution

The fourth proportional to 739,649.48, 1,020,747.02 and 417,359.79 is: 575,973.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,649.48 : 1,020,747.02 = 417,359.79 : x
  2. Step 2: Convert to fraction form
    739,649.48/1,020,747.02 = 417,359.79/x
  3. Step 3: Cross multiply
    739,649.48x = 1,020,747.02 × 417,359.79
  4. Step 4: Simplify right side
    739,649.48x = 426,018,759,823.53
  5. Step 5: Solve for x
    x = 426,018,759,823.53/739,649.48
  6. Step 6: Final answer
    x = 575,973.86

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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.