Home / 668,009.55-1,002,014.33-542,038.35

Finding the Fourth Proportional to 668,009.55, 1,002,014.33 and 542,038.35

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Solution

The fourth proportional to 668,009.55, 1,002,014.33 and 542,038.35 is: 813,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,009.55 : 1,002,014.33 = 542,038.35 : x
  2. Step 2: Convert to fraction form
    668,009.55/1,002,014.33 = 542,038.35/x
  3. Step 3: Cross multiply
    668,009.55x = 1,002,014.33 × 542,038.35
  4. Step 4: Simplify right side
    668,009.55x = 543,130,191,399.36
  5. Step 5: Solve for x
    x = 543,130,191,399.36/668,009.55
  6. Step 6: Final answer
    x = 813,057.53

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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.