Home / 784,258.86-1,176,036.21-223,159.98

Finding the Fourth Proportional to 784,258.86, 1,176,036.21 and 223,159.98

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Solution

The fourth proportional to 784,258.86, 1,176,036.21 and 223,159.98 is: 334,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,258.86 : 1,176,036.21 = 223,159.98 : x
  2. Step 2: Convert to fraction form
    784,258.86/1,176,036.21 = 223,159.98/x
  3. Step 3: Cross multiply
    784,258.86x = 1,176,036.21 × 223,159.98
  4. Step 4: Simplify right side
    784,258.86x = 262,444,217,102.88
  5. Step 5: Solve for x
    x = 262,444,217,102.88/784,258.86
  6. Step 6: Final answer
    x = 334,639.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.