Home / 658,904.41-989,164.59-434,452.60

Finding the Fourth Proportional to 658,904.41, 989,164.59 and 434,452.60

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Solution

The fourth proportional to 658,904.41, 989,164.59 and 434,452.60 is: 652,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,904.41 : 989,164.59 = 434,452.60 : x
  2. Step 2: Convert to fraction form
    658,904.41/989,164.59 = 434,452.60/x
  3. Step 3: Cross multiply
    658,904.41x = 989,164.59 × 434,452.60
  4. Step 4: Simplify right side
    658,904.41x = 429,745,127,953.43
  5. Step 5: Solve for x
    x = 429,745,127,953.43/658,904.41
  6. Step 6: Final answer
    x = 652,211.64

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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.