Home / 747,011.12-1,030,882.80-407,486.48

Finding the Fourth Proportional to 747,011.12, 1,030,882.80 and 407,486.48

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Solution

The fourth proportional to 747,011.12, 1,030,882.80 and 407,486.48 is: 562,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,011.12 : 1,030,882.80 = 407,486.48 : x
  2. Step 2: Convert to fraction form
    747,011.12/1,030,882.80 = 407,486.48/x
  3. Step 3: Cross multiply
    747,011.12x = 1,030,882.80 × 407,486.48
  4. Step 4: Simplify right side
    747,011.12x = 420,070,803,464.54
  5. Step 5: Solve for x
    x = 420,070,803,464.54/747,011.12
  6. Step 6: Final answer
    x = 562,335.41

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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.