Home / 709,871.60-1,064,282.20-335,457.20

Finding the Fourth Proportional to 709,871.60, 1,064,282.20 and 335,457.20

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Solution

The fourth proportional to 709,871.60, 1,064,282.20 and 335,457.20 is: 502,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,871.60 : 1,064,282.20 = 335,457.20 : x
  2. Step 2: Convert to fraction form
    709,871.60/1,064,282.20 = 335,457.20/x
  3. Step 3: Cross multiply
    709,871.60x = 1,064,282.20 × 335,457.20
  4. Step 4: Simplify right side
    709,871.60x = 357,021,126,821.84
  5. Step 5: Solve for x
    x = 357,021,126,821.84/709,871.60
  6. Step 6: Final answer
    x = 502,937.61

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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.