Home / 804,200.40-1,110,045.69-517,720.50

Finding the Fourth Proportional to 804,200.40, 1,110,045.69 and 517,720.50

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Solution

The fourth proportional to 804,200.40, 1,110,045.69 and 517,720.50 is: 714,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,200.40 : 1,110,045.69 = 517,720.50 : x
  2. Step 2: Convert to fraction form
    804,200.40/1,110,045.69 = 517,720.50/x
  3. Step 3: Cross multiply
    804,200.40x = 1,110,045.69 × 517,720.50
  4. Step 4: Simplify right side
    804,200.40x = 574,693,409,649.65
  5. Step 5: Solve for x
    x = 574,693,409,649.65/804,200.40
  6. Step 6: Final answer
    x = 714,614.68

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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.