Home / 736,765.13-1,016,363.71-430,641.51

Finding the Fourth Proportional to 736,765.13, 1,016,363.71 and 430,641.51

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Solution

The fourth proportional to 736,765.13, 1,016,363.71 and 430,641.51 is: 594,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,765.13 : 1,016,363.71 = 430,641.51 : x
  2. Step 2: Convert to fraction form
    736,765.13/1,016,363.71 = 430,641.51/x
  3. Step 3: Cross multiply
    736,765.13x = 1,016,363.71 × 430,641.51
  4. Step 4: Simplify right side
    736,765.13x = 437,688,400,899.55
  5. Step 5: Solve for x
    x = 437,688,400,899.55/736,765.13
  6. Step 6: Final answer
    x = 594,067.75

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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.