Home / 740,053.32-1,109,186.03-360,405.15

Finding the Fourth Proportional to 740,053.32, 1,109,186.03 and 360,405.15

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Solution

The fourth proportional to 740,053.32, 1,109,186.03 and 360,405.15 is: 540,172.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,053.32 : 1,109,186.03 = 360,405.15 : x
  2. Step 2: Convert to fraction form
    740,053.32/1,109,186.03 = 360,405.15/x
  3. Step 3: Cross multiply
    740,053.32x = 1,109,186.03 × 360,405.15
  4. Step 4: Simplify right side
    740,053.32x = 399,756,358,421.07
  5. Step 5: Solve for x
    x = 399,756,358,421.07/740,053.32
  6. Step 6: Final answer
    x = 540,172.37

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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.