Home / 877,008.40-1,315,512.60-497,782.60

Finding the Fourth Proportional to 877,008.40, 1,315,512.60 and 497,782.60

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Solution

The fourth proportional to 877,008.40, 1,315,512.60 and 497,782.60 is: 746,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,008.40 : 1,315,512.60 = 497,782.60 : x
  2. Step 2: Convert to fraction form
    877,008.40/1,315,512.60 = 497,782.60/x
  3. Step 3: Cross multiply
    877,008.40x = 1,315,512.60 × 497,782.60
  4. Step 4: Simplify right side
    877,008.40x = 654,839,282,360.76
  5. Step 5: Solve for x
    x = 654,839,282,360.76/877,008.40
  6. Step 6: Final answer
    x = 746,673.90

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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.