Home / 909,521.10-1,364,281.65-278,352.90

Finding the Fourth Proportional to 909,521.10, 1,364,281.65 and 278,352.90

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Solution

The fourth proportional to 909,521.10, 1,364,281.65 and 278,352.90 is: 417,529.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,521.10 : 1,364,281.65 = 278,352.90 : x
  2. Step 2: Convert to fraction form
    909,521.10/1,364,281.65 = 278,352.90/x
  3. Step 3: Cross multiply
    909,521.10x = 1,364,281.65 × 278,352.90
  4. Step 4: Simplify right side
    909,521.10x = 379,751,753,694.29
  5. Step 5: Solve for x
    x = 379,751,753,694.29/909,521.10
  6. Step 6: Final answer
    x = 417,529.35

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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.