Home / 524,904.60-787,551.30-209,587.80

Finding the Fourth Proportional to 524,904.60, 787,551.30 and 209,587.80

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Solution

The fourth proportional to 524,904.60, 787,551.30 and 209,587.80 is: 314,459.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,904.60 : 787,551.30 = 209,587.80 : x
  2. Step 2: Convert to fraction form
    524,904.60/787,551.30 = 209,587.80/x
  3. Step 3: Cross multiply
    524,904.60x = 787,551.30 × 209,587.80
  4. Step 4: Simplify right side
    524,904.60x = 165,061,144,354.14
  5. Step 5: Solve for x
    x = 165,061,144,354.14/524,904.60
  6. Step 6: Final answer
    x = 314,459.32

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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.