Home / 478,303.20-660,062.88-263,444.04

Finding the Fourth Proportional to 478,303.20, 660,062.88 and 263,444.04

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Solution

The fourth proportional to 478,303.20, 660,062.88 and 263,444.04 is: 363,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,303.20 : 660,062.88 = 263,444.04 : x
  2. Step 2: Convert to fraction form
    478,303.20/660,062.88 = 263,444.04/x
  3. Step 3: Cross multiply
    478,303.20x = 660,062.88 × 263,444.04
  4. Step 4: Simplify right side
    478,303.20x = 173,889,631,761.24
  5. Step 5: Solve for x
    x = 173,889,631,761.24/478,303.20
  6. Step 6: Final answer
    x = 363,555.23

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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.