Home / 478,048.12-659,681.40-263,146.24

Finding the Fourth Proportional to 478,048.12, 659,681.40 and 263,146.24

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Solution

The fourth proportional to 478,048.12, 659,681.40 and 263,146.24 is: 363,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,048.12 : 659,681.40 = 263,146.24 : x
  2. Step 2: Convert to fraction form
    478,048.12/659,681.40 = 263,146.24/x
  3. Step 3: Cross multiply
    478,048.12x = 659,681.40 × 263,146.24
  4. Step 4: Simplify right side
    478,048.12x = 173,592,680,007.94
  5. Step 5: Solve for x
    x = 173,592,680,007.94/478,048.12
  6. Step 6: Final answer
    x = 363,128.05

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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.