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Finding the Fourth Proportional to 610,430.40, 915,645.60 and 450,998.10

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Solution

The fourth proportional to 610,430.40, 915,645.60 and 450,998.10 is: 676,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,430.40 : 915,645.60 = 450,998.10 : x
  2. Step 2: Convert to fraction form
    610,430.40/915,645.60 = 450,998.10/x
  3. Step 3: Cross multiply
    610,430.40x = 915,645.60 × 450,998.10
  4. Step 4: Simplify right side
    610,430.40x = 412,954,425,873.36
  5. Step 5: Solve for x
    x = 412,954,425,873.36/610,430.40
  6. Step 6: Final answer
    x = 676,497.15

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1.5x scale

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.