Home / 989,016.01-1,484,133.14-389,875.21

Finding the Fourth Proportional to 989,016.01, 1,484,133.14 and 389,875.21

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Solution

The fourth proportional to 989,016.01, 1,484,133.14 and 389,875.21 is: 585,052.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,016.01 : 1,484,133.14 = 389,875.21 : x
  2. Step 2: Convert to fraction form
    989,016.01/1,484,133.14 = 389,875.21/x
  3. Step 3: Cross multiply
    989,016.01x = 1,484,133.14 × 389,875.21
  4. Step 4: Simplify right side
    989,016.01x = 578,626,719,625.46
  5. Step 5: Solve for x
    x = 578,626,719,625.46/989,016.01
  6. Step 6: Final answer
    x = 585,052.94

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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.