Home / 867,050.53-1,300,252.30-298,270.76

Finding the Fourth Proportional to 867,050.53, 1,300,252.30 and 298,270.76

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Solution

The fourth proportional to 867,050.53, 1,300,252.30 and 298,270.76 is: 447,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,050.53 : 1,300,252.30 = 298,270.76 : x
  2. Step 2: Convert to fraction form
    867,050.53/1,300,252.30 = 298,270.76/x
  3. Step 3: Cross multiply
    867,050.53x = 1,300,252.30 × 298,270.76
  4. Step 4: Simplify right side
    867,050.53x = 387,827,234,465.81
  5. Step 5: Solve for x
    x = 387,827,234,465.81/867,050.53
  6. Step 6: Final answer
    x = 447,294.85

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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.