Home / 752,312.02-1,038,187.38-412,772.98

Finding the Fourth Proportional to 752,312.02, 1,038,187.38 and 412,772.98

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Solution

The fourth proportional to 752,312.02, 1,038,187.38 and 412,772.98 is: 569,624.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,312.02 : 1,038,187.38 = 412,772.98 : x
  2. Step 2: Convert to fraction form
    752,312.02/1,038,187.38 = 412,772.98/x
  3. Step 3: Cross multiply
    752,312.02x = 1,038,187.38 × 412,772.98
  4. Step 4: Simplify right side
    752,312.02x = 428,535,698,640.99
  5. Step 5: Solve for x
    x = 428,535,698,640.99/752,312.02
  6. Step 6: Final answer
    x = 569,624.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.