Home / 668,534.80-1,001,927.40-268,848.40

Finding the Fourth Proportional to 668,534.80, 1,001,927.40 and 268,848.40

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Solution

The fourth proportional to 668,534.80, 1,001,927.40 and 268,848.40 is: 402,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,534.80 : 1,001,927.40 = 268,848.40 : x
  2. Step 2: Convert to fraction form
    668,534.80/1,001,927.40 = 268,848.40/x
  3. Step 3: Cross multiply
    668,534.80x = 1,001,927.40 × 268,848.40
  4. Step 4: Simplify right side
    668,534.80x = 269,366,578,406.16
  5. Step 5: Solve for x
    x = 269,366,578,406.16/668,534.80
  6. Step 6: Final answer
    x = 402,920.80

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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.