Home / 748,575.87-1,033,110.78-442,751.25

Finding the Fourth Proportional to 748,575.87, 1,033,110.78 and 442,751.25

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Solution

The fourth proportional to 748,575.87, 1,033,110.78 and 442,751.25 is: 611,041.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,575.87 : 1,033,110.78 = 442,751.25 : x
  2. Step 2: Convert to fraction form
    748,575.87/1,033,110.78 = 442,751.25/x
  3. Step 3: Cross multiply
    748,575.87x = 1,033,110.78 × 442,751.25
  4. Step 4: Simplify right side
    748,575.87x = 457,411,089,233.48
  5. Step 5: Solve for x
    x = 457,411,089,233.48/748,575.87
  6. Step 6: Final answer
    x = 611,041.72

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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.