Home / 675,442.47-1,012,161.09-375,510.45

Finding the Fourth Proportional to 675,442.47, 1,012,161.09 and 375,510.45

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Solution

The fourth proportional to 675,442.47, 1,012,161.09 and 375,510.45 is: 562,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,442.47 : 1,012,161.09 = 375,510.45 : x
  2. Step 2: Convert to fraction form
    675,442.47/1,012,161.09 = 375,510.45/x
  3. Step 3: Cross multiply
    675,442.47x = 1,012,161.09 × 375,510.45
  4. Step 4: Simplify right side
    675,442.47x = 380,077,071,582.16
  5. Step 5: Solve for x
    x = 380,077,071,582.16/675,442.47
  6. Step 6: Final answer
    x = 562,708.28

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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.