Home / 550,064.70-824,966.01-310,281.66

Finding the Fourth Proportional to 550,064.70, 824,966.01 and 310,281.66

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Solution

The fourth proportional to 550,064.70, 824,966.01 and 310,281.66 is: 465,348.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,064.70 : 824,966.01 = 310,281.66 : x
  2. Step 2: Convert to fraction form
    550,064.70/824,966.01 = 310,281.66/x
  3. Step 3: Cross multiply
    550,064.70x = 824,966.01 × 310,281.66
  4. Step 4: Simplify right side
    550,064.70x = 255,971,823,026.38
  5. Step 5: Solve for x
    x = 255,971,823,026.38/550,064.70
  6. Step 6: Final answer
    x = 465,348.57

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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.