Home / 710,655.20-1,065,982.80-445,234.40

Finding the Fourth Proportional to 710,655.20, 1,065,982.80 and 445,234.40

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Solution

The fourth proportional to 710,655.20, 1,065,982.80 and 445,234.40 is: 667,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,655.20 : 1,065,982.80 = 445,234.40 : x
  2. Step 2: Convert to fraction form
    710,655.20/1,065,982.80 = 445,234.40/x
  3. Step 3: Cross multiply
    710,655.20x = 1,065,982.80 × 445,234.40
  4. Step 4: Simplify right side
    710,655.20x = 474,612,212,368.32
  5. Step 5: Solve for x
    x = 474,612,212,368.32/710,655.20
  6. Step 6: Final answer
    x = 667,851.60

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1.5x scale

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.