Home / 709,669.84-1,064,192.44-266,126.80

Finding the Fourth Proportional to 709,669.84, 1,064,192.44 and 266,126.80

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Solution

The fourth proportional to 709,669.84, 1,064,192.44 and 266,126.80 is: 399,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,669.84 : 1,064,192.44 = 266,126.80 : x
  2. Step 2: Convert to fraction form
    709,669.84/1,064,192.44 = 266,126.80/x
  3. Step 3: Cross multiply
    709,669.84x = 1,064,192.44 × 266,126.80
  4. Step 4: Simplify right side
    709,669.84x = 283,210,128,641.39
  5. Step 5: Solve for x
    x = 283,210,128,641.39/709,669.84
  6. Step 6: Final answer
    x = 399,073.08

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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.