Home / 869,353.50-1,304,151.96-821,545.50

Finding the Fourth Proportional to 869,353.50, 1,304,151.96 and 821,545.50

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Solution

The fourth proportional to 869,353.50, 1,304,151.96 and 821,545.50 is: 1,232,433.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,353.50 : 1,304,151.96 = 821,545.50 : x
  2. Step 2: Convert to fraction form
    869,353.50/1,304,151.96 = 821,545.50/x
  3. Step 3: Cross multiply
    869,353.50x = 1,304,151.96 × 821,545.50
  4. Step 4: Simplify right side
    869,353.50x = 1,071,420,174,054.18
  5. Step 5: Solve for x
    x = 1,071,420,174,054.18/869,353.50
  6. Step 6: Final answer
    x = 1,232,433.27

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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.