Home / 816,649.82-1,225,223.40-417,570.92

Finding the Fourth Proportional to 816,649.82, 1,225,223.40 and 417,570.92

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Solution

The fourth proportional to 816,649.82, 1,225,223.40 and 417,570.92 is: 626,483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,649.82 : 1,225,223.40 = 417,570.92 : x
  2. Step 2: Convert to fraction form
    816,649.82/1,225,223.40 = 417,570.92/x
  3. Step 3: Cross multiply
    816,649.82x = 1,225,223.40 × 417,570.92
  4. Step 4: Simplify right side
    816,649.82x = 511,617,662,343.53
  5. Step 5: Solve for x
    x = 511,617,662,343.53/816,649.82
  6. Step 6: Final answer
    x = 626,483.53

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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.