Home / 632,376.47-872,670.02-377,678.45

Finding the Fourth Proportional to 632,376.47, 872,670.02 and 377,678.45

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Solution

The fourth proportional to 632,376.47, 872,670.02 and 377,678.45 is: 521,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,376.47 : 872,670.02 = 377,678.45 : x
  2. Step 2: Convert to fraction form
    632,376.47/872,670.02 = 377,678.45/x
  3. Step 3: Cross multiply
    632,376.47x = 872,670.02 × 377,678.45
  4. Step 4: Simplify right side
    632,376.47x = 329,588,660,515.07
  5. Step 5: Solve for x
    x = 329,588,660,515.07/632,376.47
  6. Step 6: Final answer
    x = 521,190.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.