Home / 609,122.64-913,681.08-406,290

Finding the Fourth Proportional to 609,122.64, 913,681.08 and 406,290

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Solution

The fourth proportional to 609,122.64, 913,681.08 and 406,290 is: 609,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,122.64 : 913,681.08 = 406,290 : x
  2. Step 2: Convert to fraction form
    609,122.64/913,681.08 = 406,290/x
  3. Step 3: Cross multiply
    609,122.64x = 913,681.08 × 406,290
  4. Step 4: Simplify right side
    609,122.64x = 371,219,485,993.20
  5. Step 5: Solve for x
    x = 371,219,485,993.20/609,122.64
  6. Step 6: Final answer
    x = 609,433.08

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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.