Home / 877,644.09-1,315,389.06-498,881.79

Finding the Fourth Proportional to 877,644.09, 1,315,389.06 and 498,881.79

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Solution

The fourth proportional to 877,644.09, 1,315,389.06 and 498,881.79 is: 747,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,644.09 : 1,315,389.06 = 498,881.79 : x
  2. Step 2: Convert to fraction form
    877,644.09/1,315,389.06 = 498,881.79/x
  3. Step 3: Cross multiply
    877,644.09x = 1,315,389.06 × 498,881.79
  4. Step 4: Simplify right side
    877,644.09x = 656,223,648,799.22
  5. Step 5: Solve for x
    x = 656,223,648,799.22/877,644.09
  6. Step 6: Final answer
    x = 747,710.44

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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.