Home / 986,456.32-1,479,750.10-346,682.68

Finding the Fourth Proportional to 986,456.32, 1,479,750.10 and 346,682.68

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Solution

The fourth proportional to 986,456.32, 1,479,750.10 and 346,682.68 is: 520,047.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,456.32 : 1,479,750.10 = 346,682.68 : x
  2. Step 2: Convert to fraction form
    986,456.32/1,479,750.10 = 346,682.68/x
  3. Step 3: Cross multiply
    986,456.32x = 1,479,750.10 × 346,682.68
  4. Step 4: Simplify right side
    986,456.32x = 513,003,730,398.27
  5. Step 5: Solve for x
    x = 513,003,730,398.27/986,456.32
  6. Step 6: Final answer
    x = 520,047.08

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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.