Home / 758,956.50-1,047,258.76-487,392.24

Finding the Fourth Proportional to 758,956.50, 1,047,258.76 and 487,392.24

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Solution

The fourth proportional to 758,956.50, 1,047,258.76 and 487,392.24 is: 672,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,956.50 : 1,047,258.76 = 487,392.24 : x
  2. Step 2: Convert to fraction form
    758,956.50/1,047,258.76 = 487,392.24/x
  3. Step 3: Cross multiply
    758,956.50x = 1,047,258.76 × 487,392.24
  4. Step 4: Simplify right side
    758,956.50x = 510,425,786,441.25
  5. Step 5: Solve for x
    x = 510,425,786,441.25/758,956.50
  6. Step 6: Final answer
    x = 672,536.29

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Double scale
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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.