Home / 586,727.40-880,091.10-212,762.60

Finding the Fourth Proportional to 586,727.40, 880,091.10 and 212,762.60

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Solution

The fourth proportional to 586,727.40, 880,091.10 and 212,762.60 is: 319,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,727.40 : 880,091.10 = 212,762.60 : x
  2. Step 2: Convert to fraction form
    586,727.40/880,091.10 = 212,762.60/x
  3. Step 3: Cross multiply
    586,727.40x = 880,091.10 × 212,762.60
  4. Step 4: Simplify right side
    586,727.40x = 187,250,470,672.86
  5. Step 5: Solve for x
    x = 187,250,470,672.86/586,727.40
  6. Step 6: Final answer
    x = 319,143.90

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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.