Home / 760,439.68-1,140,429.12-317,104

Finding the Fourth Proportional to 760,439.68, 1,140,429.12 and 317,104

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Solution

The fourth proportional to 760,439.68, 1,140,429.12 and 317,104 is: 475,559.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,439.68 : 1,140,429.12 = 317,104 : x
  2. Step 2: Convert to fraction form
    760,439.68/1,140,429.12 = 317,104/x
  3. Step 3: Cross multiply
    760,439.68x = 1,140,429.12 × 317,104
  4. Step 4: Simplify right side
    760,439.68x = 361,634,635,668.48
  5. Step 5: Solve for x
    x = 361,634,635,668.48/760,439.68
  6. Step 6: Final answer
    x = 475,559.92

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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.