Home / 495,749.55-684,258.80-281,017.74

Finding the Fourth Proportional to 495,749.55, 684,258.80 and 281,017.74

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Solution

The fourth proportional to 495,749.55, 684,258.80 and 281,017.74 is: 387,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,749.55 : 684,258.80 = 281,017.74 : x
  2. Step 2: Convert to fraction form
    495,749.55/684,258.80 = 281,017.74/x
  3. Step 3: Cross multiply
    495,749.55x = 684,258.80 × 281,017.74
  4. Step 4: Simplify right side
    495,749.55x = 192,288,860,146.02
  5. Step 5: Solve for x
    x = 192,288,860,146.02/495,749.55
  6. Step 6: Final answer
    x = 387,875.01

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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.