Home / 918,937.63-1,377,208.45-469,279.50

Finding the Fourth Proportional to 918,937.63, 1,377,208.45 and 469,279.50

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Solution

The fourth proportional to 918,937.63, 1,377,208.45 and 469,279.50 is: 703,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,937.63 : 1,377,208.45 = 469,279.50 : x
  2. Step 2: Convert to fraction form
    918,937.63/1,377,208.45 = 469,279.50/x
  3. Step 3: Cross multiply
    918,937.63x = 1,377,208.45 × 469,279.50
  4. Step 4: Simplify right side
    918,937.63x = 646,295,692,811.78
  5. Step 5: Solve for x
    x = 646,295,692,811.78/918,937.63
  6. Step 6: Final answer
    x = 703,307.46

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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.