Home / 758,956.62-1,047,258.93-487,392.36

Finding the Fourth Proportional to 758,956.62, 1,047,258.93 and 487,392.36

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Solution

The fourth proportional to 758,956.62, 1,047,258.93 and 487,392.36 is: 672,536.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,956.62 : 1,047,258.93 = 487,392.36 : x
  2. Step 2: Convert to fraction form
    758,956.62/1,047,258.93 = 487,392.36/x
  3. Step 3: Cross multiply
    758,956.62x = 1,047,258.93 × 487,392.36
  4. Step 4: Simplify right side
    758,956.62x = 510,426,001,423.78
  5. Step 5: Solve for x
    x = 510,426,001,423.78/758,956.62
  6. Step 6: Final answer
    x = 672,536.46

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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.