Home / 986,730.28-1,480,547.44-536,776.90

Finding the Fourth Proportional to 986,730.28, 1,480,547.44 and 536,776.90

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Solution

The fourth proportional to 986,730.28, 1,480,547.44 and 536,776.90 is: 805,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,730.28 : 1,480,547.44 = 536,776.90 : x
  2. Step 2: Convert to fraction form
    986,730.28/1,480,547.44 = 536,776.90/x
  3. Step 3: Cross multiply
    986,730.28x = 1,480,547.44 × 536,776.90
  4. Step 4: Simplify right side
    986,730.28x = 794,723,665,146.14
  5. Step 5: Solve for x
    x = 794,723,665,146.14/986,730.28
  6. Step 6: Final answer
    x = 805,411.25

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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.