Home / 760,440.68-1,140,430.62-317,105

Finding the Fourth Proportional to 760,440.68, 1,140,430.62 and 317,105

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Solution

The fourth proportional to 760,440.68, 1,140,430.62 and 317,105 is: 475,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,440.68 : 1,140,430.62 = 317,105 : x
  2. Step 2: Convert to fraction form
    760,440.68/1,140,430.62 = 317,105/x
  3. Step 3: Cross multiply
    760,440.68x = 1,140,430.62 × 317,105
  4. Step 4: Simplify right side
    760,440.68x = 361,636,251,755.10
  5. Step 5: Solve for x
    x = 361,636,251,755.10/760,440.68
  6. Step 6: Final answer
    x = 475,561.42

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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.