Home / 841,527.42-1,262,302.30-280,562.10

Finding the Fourth Proportional to 841,527.42, 1,262,302.30 and 280,562.10

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Solution

The fourth proportional to 841,527.42, 1,262,302.30 and 280,562.10 is: 420,846.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,527.42 : 1,262,302.30 = 280,562.10 : x
  2. Step 2: Convert to fraction form
    841,527.42/1,262,302.30 = 280,562.10/x
  3. Step 3: Cross multiply
    841,527.42x = 1,262,302.30 × 280,562.10
  4. Step 4: Simplify right side
    841,527.42x = 354,154,184,122.83
  5. Step 5: Solve for x
    x = 354,154,184,122.83/841,527.42
  6. Step 6: Final answer
    x = 420,846.87

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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.