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Finding the Fourth Proportional to 487,360.10, 730,003.35 and 404,416.10

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Solution

The fourth proportional to 487,360.10, 730,003.35 and 404,416.10 is: 605,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,360.10 : 730,003.35 = 404,416.10 : x
  2. Step 2: Convert to fraction form
    487,360.10/730,003.35 = 404,416.10/x
  3. Step 3: Cross multiply
    487,360.10x = 730,003.35 × 404,416.10
  4. Step 4: Simplify right side
    487,360.10x = 295,225,107,793.94
  5. Step 5: Solve for x
    x = 295,225,107,793.94/487,360.10
  6. Step 6: Final answer
    x = 605,763.80

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1.5x scale

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.