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Finding the Fourth Proportional to 666,310.84, 999,023.34 and 366,932.40

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Solution

The fourth proportional to 666,310.84, 999,023.34 and 366,932.40 is: 550,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,310.84 : 999,023.34 = 366,932.40 : x
  2. Step 2: Convert to fraction form
    666,310.84/999,023.34 = 366,932.40/x
  3. Step 3: Cross multiply
    666,310.84x = 999,023.34 × 366,932.40
  4. Step 4: Simplify right side
    666,310.84x = 366,574,031,802.22
  5. Step 5: Solve for x
    x = 366,574,031,802.22/666,310.84
  6. Step 6: Final answer
    x = 550,154.69

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1.5x scale

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.