Home / 702,000.10-1,053,000.15-303,419.35

Finding the Fourth Proportional to 702,000.10, 1,053,000.15 and 303,419.35

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Solution

The fourth proportional to 702,000.10, 1,053,000.15 and 303,419.35 is: 455,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,000.10 : 1,053,000.15 = 303,419.35 : x
  2. Step 2: Convert to fraction form
    702,000.10/1,053,000.15 = 303,419.35/x
  3. Step 3: Cross multiply
    702,000.10x = 1,053,000.15 × 303,419.35
  4. Step 4: Simplify right side
    702,000.10x = 319,500,621,062.90
  5. Step 5: Solve for x
    x = 319,500,621,062.90/702,000.10
  6. Step 6: Final answer
    x = 455,129.03

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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.