Home / 710,474.40-1,065,711.60-445,053.60

Finding the Fourth Proportional to 710,474.40, 1,065,711.60 and 445,053.60

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Solution

The fourth proportional to 710,474.40, 1,065,711.60 and 445,053.60 is: 667,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,474.40 : 1,065,711.60 = 445,053.60 : x
  2. Step 2: Convert to fraction form
    710,474.40/1,065,711.60 = 445,053.60/x
  3. Step 3: Cross multiply
    710,474.40x = 1,065,711.60 × 445,053.60
  4. Step 4: Simplify right side
    710,474.40x = 474,298,784,141.76
  5. Step 5: Solve for x
    x = 474,298,784,141.76/710,474.40
  6. Step 6: Final answer
    x = 667,580.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.