Home / 495,628.68-684,001.38-280,770.48

Finding the Fourth Proportional to 495,628.68, 684,001.38 and 280,770.48

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Solution

The fourth proportional to 495,628.68, 684,001.38 and 280,770.48 is: 387,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,628.68 : 684,001.38 = 280,770.48 : x
  2. Step 2: Convert to fraction form
    495,628.68/684,001.38 = 280,770.48/x
  3. Step 3: Cross multiply
    495,628.68x = 684,001.38 × 280,770.48
  4. Step 4: Simplify right side
    495,628.68x = 192,047,395,783.26
  5. Step 5: Solve for x
    x = 192,047,395,783.26/495,628.68
  6. Step 6: Final answer
    x = 387,482.41

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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.