Home / 747,073.93-1,030,959.87-407,539.75

Finding the Fourth Proportional to 747,073.93, 1,030,959.87 and 407,539.75

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Solution

The fourth proportional to 747,073.93, 1,030,959.87 and 407,539.75 is: 562,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,073.93 : 1,030,959.87 = 407,539.75 : x
  2. Step 2: Convert to fraction form
    747,073.93/1,030,959.87 = 407,539.75/x
  3. Step 3: Cross multiply
    747,073.93x = 1,030,959.87 × 407,539.75
  4. Step 4: Simplify right side
    747,073.93x = 420,157,127,679.83
  5. Step 5: Solve for x
    x = 420,157,127,679.83/747,073.93
  6. Step 6: Final answer
    x = 562,403.68

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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.