Home / 747,036.18-1,030,908.72-407,504.46

Finding the Fourth Proportional to 747,036.18, 1,030,908.72 and 407,504.46

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Solution

The fourth proportional to 747,036.18, 1,030,908.72 and 407,504.46 is: 562,355.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,036.18 : 1,030,908.72 = 407,504.46 : x
  2. Step 2: Convert to fraction form
    747,036.18/1,030,908.72 = 407,504.46/x
  3. Step 3: Cross multiply
    747,036.18x = 1,030,908.72 × 407,504.46
  4. Step 4: Simplify right side
    747,036.18x = 420,099,901,252.89
  5. Step 5: Solve for x
    x = 420,099,901,252.89/747,036.18
  6. Step 6: Final answer
    x = 562,355.50

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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.