Home / 643,047.06-964,944.26-288,061.08

Finding the Fourth Proportional to 643,047.06, 964,944.26 and 288,061.08

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Solution

The fourth proportional to 643,047.06, 964,944.26 and 288,061.08 is: 432,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,047.06 : 964,944.26 = 288,061.08 : x
  2. Step 2: Convert to fraction form
    643,047.06/964,944.26 = 288,061.08/x
  3. Step 3: Cross multiply
    643,047.06x = 964,944.26 × 288,061.08
  4. Step 4: Simplify right side
    643,047.06x = 277,962,885,675.40
  5. Step 5: Solve for x
    x = 277,962,885,675.40/643,047.06
  6. Step 6: Final answer
    x = 432,259.01

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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.