Home / 986,931.27-1,480,538.12-303,875.91

Finding the Fourth Proportional to 986,931.27, 1,480,538.12 and 303,875.91

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Solution

The fourth proportional to 986,931.27, 1,480,538.12 and 303,875.91 is: 455,857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,931.27 : 1,480,538.12 = 303,875.91 : x
  2. Step 2: Convert to fraction form
    986,931.27/1,480,538.12 = 303,875.91/x
  3. Step 3: Cross multiply
    986,931.27x = 1,480,538.12 × 303,875.91
  4. Step 4: Simplify right side
    986,931.27x = 449,899,866,985.31
  5. Step 5: Solve for x
    x = 449,899,866,985.31/986,931.27
  6. Step 6: Final answer
    x = 455,857.34

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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.