Home / 761,885.46-1,143,018.54-537,683.54

Finding the Fourth Proportional to 761,885.46, 1,143,018.54 and 537,683.54

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Solution

The fourth proportional to 761,885.46, 1,143,018.54 and 537,683.54 is: 806,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,885.46 : 1,143,018.54 = 537,683.54 : x
  2. Step 2: Convert to fraction form
    761,885.46/1,143,018.54 = 537,683.54/x
  3. Step 3: Cross multiply
    761,885.46x = 1,143,018.54 × 537,683.54
  4. Step 4: Simplify right side
    761,885.46x = 614,582,254,872.83
  5. Step 5: Solve for x
    x = 614,582,254,872.83/761,885.46
  6. Step 6: Final answer
    x = 806,659.65

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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.