Home / 711,985.02-1,067,841.42-213,349.02

Finding the Fourth Proportional to 711,985.02, 1,067,841.42 and 213,349.02

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Solution

The fourth proportional to 711,985.02, 1,067,841.42 and 213,349.02 is: 319,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,985.02 : 1,067,841.42 = 213,349.02 : x
  2. Step 2: Convert to fraction form
    711,985.02/1,067,841.42 = 213,349.02/x
  3. Step 3: Cross multiply
    711,985.02x = 1,067,841.42 × 213,349.02
  4. Step 4: Simplify right side
    711,985.02x = 227,822,920,472.41
  5. Step 5: Solve for x
    x = 227,822,920,472.41/711,985.02
  6. Step 6: Final answer
    x = 319,982.74

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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.