Home / 771,230.72-1,157,176.47-298,248.23

Finding the Fourth Proportional to 771,230.72, 1,157,176.47 and 298,248.23

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Solution

The fourth proportional to 771,230.72, 1,157,176.47 and 298,248.23 is: 447,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,230.72 : 1,157,176.47 = 298,248.23 : x
  2. Step 2: Convert to fraction form
    771,230.72/1,157,176.47 = 298,248.23/x
  3. Step 3: Cross multiply
    771,230.72x = 1,157,176.47 × 298,248.23
  4. Step 4: Simplify right side
    771,230.72x = 345,125,833,975.15
  5. Step 5: Solve for x
    x = 345,125,833,975.15/771,230.72
  6. Step 6: Final answer
    x = 447,500.11

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1.5x scale

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.