Home / 508,214.16-701,330.67-278,766.72

Finding the Fourth Proportional to 508,214.16, 701,330.67 and 278,766.72

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Solution

The fourth proportional to 508,214.16, 701,330.67 and 278,766.72 is: 384,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,214.16 : 701,330.67 = 278,766.72 : x
  2. Step 2: Convert to fraction form
    508,214.16/701,330.67 = 278,766.72/x
  3. Step 3: Cross multiply
    508,214.16x = 701,330.67 × 278,766.72
  4. Step 4: Simplify right side
    508,214.16x = 195,507,650,511.30
  5. Step 5: Solve for x
    x = 195,507,650,511.30/508,214.16
  6. Step 6: Final answer
    x = 384,695.40

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1.5x scale

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.