Home / 409,501.14-614,300.93-387,106.26

Finding the Fourth Proportional to 409,501.14, 614,300.93 and 387,106.26

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Solution

The fourth proportional to 409,501.14, 614,300.93 and 387,106.26 is: 580,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,501.14 : 614,300.93 = 387,106.26 : x
  2. Step 2: Convert to fraction form
    409,501.14/614,300.93 = 387,106.26/x
  3. Step 3: Cross multiply
    409,501.14x = 614,300.93 × 387,106.26
  4. Step 4: Simplify right side
    409,501.14x = 237,799,733,591.29
  5. Step 5: Solve for x
    x = 237,799,733,591.29/409,501.14
  6. Step 6: Final answer
    x = 580,705.91

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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.