Home / 478,319.03-660,110.17-263,459.04

Finding the Fourth Proportional to 478,319.03, 660,110.17 and 263,459.04

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Solution

The fourth proportional to 478,319.03, 660,110.17 and 263,459.04 is: 363,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,319.03 : 660,110.17 = 263,459.04 : x
  2. Step 2: Convert to fraction form
    478,319.03/660,110.17 = 263,459.04/x
  3. Step 3: Cross multiply
    478,319.03x = 660,110.17 × 263,459.04
  4. Step 4: Simplify right side
    478,319.03x = 173,911,988,381.89
  5. Step 5: Solve for x
    x = 173,911,988,381.89/478,319.03
  6. Step 6: Final answer
    x = 363,589.94

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1.5x scale

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.