Home / 747,713.58-1,031,828.67-408,187.50

Finding the Fourth Proportional to 747,713.58, 1,031,828.67 and 408,187.50

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Solution

The fourth proportional to 747,713.58, 1,031,828.67 and 408,187.50 is: 563,289.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,713.58 : 1,031,828.67 = 408,187.50 : x
  2. Step 2: Convert to fraction form
    747,713.58/1,031,828.67 = 408,187.50/x
  3. Step 3: Cross multiply
    747,713.58x = 1,031,828.67 × 408,187.50
  4. Step 4: Simplify right side
    747,713.58x = 421,179,565,235.63
  5. Step 5: Solve for x
    x = 421,179,565,235.63/747,713.58
  6. Step 6: Final answer
    x = 563,289.98

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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.