Home / 929,367.69-1,393,239.61-360,356.76

Finding the Fourth Proportional to 929,367.69, 1,393,239.61 and 360,356.76

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Solution

The fourth proportional to 929,367.69, 1,393,239.61 and 360,356.76 is: 540,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,367.69 : 1,393,239.61 = 360,356.76 : x
  2. Step 2: Convert to fraction form
    929,367.69/1,393,239.61 = 360,356.76/x
  3. Step 3: Cross multiply
    929,367.69x = 1,393,239.61 × 360,356.76
  4. Step 4: Simplify right side
    929,367.69x = 502,063,311,763.26
  5. Step 5: Solve for x
    x = 502,063,311,763.26/929,367.69
  6. Step 6: Final answer
    x = 540,220.32

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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.