Home / 998,402.60-1,497,603.90-438,530.60

Finding the Fourth Proportional to 998,402.60, 1,497,603.90 and 438,530.60

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Solution

The fourth proportional to 998,402.60, 1,497,603.90 and 438,530.60 is: 657,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,402.60 : 1,497,603.90 = 438,530.60 : x
  2. Step 2: Convert to fraction form
    998,402.60/1,497,603.90 = 438,530.60/x
  3. Step 3: Cross multiply
    998,402.60x = 1,497,603.90 × 438,530.60
  4. Step 4: Simplify right side
    998,402.60x = 656,745,136,829.34
  5. Step 5: Solve for x
    x = 656,745,136,829.34/998,402.60
  6. Step 6: Final answer
    x = 657,795.90

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1.5x scale

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.