Home / 821,681.40-1,232,424.90-222,605.40

Finding the Fourth Proportional to 821,681.40, 1,232,424.90 and 222,605.40

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Solution

The fourth proportional to 821,681.40, 1,232,424.90 and 222,605.40 is: 333,881.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,681.40 : 1,232,424.90 = 222,605.40 : x
  2. Step 2: Convert to fraction form
    821,681.40/1,232,424.90 = 222,605.40/x
  3. Step 3: Cross multiply
    821,681.40x = 1,232,424.90 × 222,605.40
  4. Step 4: Simplify right side
    821,681.40x = 274,344,437,834.46
  5. Step 5: Solve for x
    x = 274,344,437,834.46/821,681.40
  6. Step 6: Final answer
    x = 333,881.77

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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.