Home / 877,551.40-1,315,452.30-403,409.80

Finding the Fourth Proportional to 877,551.40, 1,315,452.30 and 403,409.80

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Solution

The fourth proportional to 877,551.40, 1,315,452.30 and 403,409.80 is: 604,712.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,551.40 : 1,315,452.30 = 403,409.80 : x
  2. Step 2: Convert to fraction form
    877,551.40/1,315,452.30 = 403,409.80/x
  3. Step 3: Cross multiply
    877,551.40x = 1,315,452.30 × 403,409.80
  4. Step 4: Simplify right side
    877,551.40x = 530,666,349,252.54
  5. Step 5: Solve for x
    x = 530,666,349,252.54/877,551.40
  6. Step 6: Final answer
    x = 604,712.56

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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.