Home / 761,715.68-1,142,733.36-229,275.68

Finding the Fourth Proportional to 761,715.68, 1,142,733.36 and 229,275.68

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Solution

The fourth proportional to 761,715.68, 1,142,733.36 and 229,275.68 is: 343,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,715.68 : 1,142,733.36 = 229,275.68 : x
  2. Step 2: Convert to fraction form
    761,715.68/1,142,733.36 = 229,275.68/x
  3. Step 3: Cross multiply
    761,715.68x = 1,142,733.36 × 229,275.68
  4. Step 4: Simplify right side
    761,715.68x = 262,000,968,172.69
  5. Step 5: Solve for x
    x = 262,000,968,172.69/761,715.68
  6. Step 6: Final answer
    x = 343,961.63

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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.