Home / 752,703.60-1,038,804.72-430,461.24

Finding the Fourth Proportional to 752,703.60, 1,038,804.72 and 430,461.24

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Solution

The fourth proportional to 752,703.60, 1,038,804.72 and 430,461.24 is: 594,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,703.60 : 1,038,804.72 = 430,461.24 : x
  2. Step 2: Convert to fraction form
    752,703.60/1,038,804.72 = 430,461.24/x
  3. Step 3: Cross multiply
    752,703.60x = 1,038,804.72 × 430,461.24
  4. Step 4: Simplify right side
    752,703.60x = 447,165,167,889.05
  5. Step 5: Solve for x
    x = 447,165,167,889.05/752,703.60
  6. Step 6: Final answer
    x = 594,078.69

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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.