Home / 912,003.70-1,368,005.55-534,090.10

Finding the Fourth Proportional to 912,003.70, 1,368,005.55 and 534,090.10

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Solution

The fourth proportional to 912,003.70, 1,368,005.55 and 534,090.10 is: 801,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,003.70 : 1,368,005.55 = 534,090.10 : x
  2. Step 2: Convert to fraction form
    912,003.70/1,368,005.55 = 534,090.10/x
  3. Step 3: Cross multiply
    912,003.70x = 1,368,005.55 × 534,090.10
  4. Step 4: Simplify right side
    912,003.70x = 730,638,221,000.06
  5. Step 5: Solve for x
    x = 730,638,221,000.06/912,003.70
  6. Step 6: Final answer
    x = 801,135.15

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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.