Home / 495,742.05-684,248.45-281,010.24

Finding the Fourth Proportional to 495,742.05, 684,248.45 and 281,010.24

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Solution

The fourth proportional to 495,742.05, 684,248.45 and 281,010.24 is: 387,864.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,742.05 : 684,248.45 = 281,010.24 : x
  2. Step 2: Convert to fraction form
    495,742.05/684,248.45 = 281,010.24/x
  3. Step 3: Cross multiply
    495,742.05x = 684,248.45 × 281,010.24
  4. Step 4: Simplify right side
    495,742.05x = 192,280,819,749.08
  5. Step 5: Solve for x
    x = 192,280,819,749.08/495,742.05
  6. Step 6: Final answer
    x = 387,864.66

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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.