Home / 752,533.22-1,038,490.58-408,360.39

Finding the Fourth Proportional to 752,533.22, 1,038,490.58 and 408,360.39

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Solution

The fourth proportional to 752,533.22, 1,038,490.58 and 408,360.39 is: 563,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,533.22 : 1,038,490.58 = 408,360.39 : x
  2. Step 2: Convert to fraction form
    752,533.22/1,038,490.58 = 408,360.39/x
  3. Step 3: Cross multiply
    752,533.22x = 1,038,490.58 × 408,360.39
  4. Step 4: Simplify right side
    752,533.22x = 424,078,416,218.32
  5. Step 5: Solve for x
    x = 424,078,416,218.32/752,533.22
  6. Step 6: Final answer
    x = 563,534.48

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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.