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Finding the Fourth Proportional to 609,030.09, 840,440.07 and 337,098.51

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Solution

The fourth proportional to 609,030.09, 840,440.07 and 337,098.51 is: 465,184.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,030.09 : 840,440.07 = 337,098.51 : x
  2. Step 2: Convert to fraction form
    609,030.09/840,440.07 = 337,098.51/x
  3. Step 3: Cross multiply
    609,030.09x = 840,440.07 × 337,098.51
  4. Step 4: Simplify right side
    609,030.09x = 283,311,095,341.30
  5. Step 5: Solve for x
    x = 283,311,095,341.30/609,030.09
  6. Step 6: Final answer
    x = 465,184.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.