Home / 962,001.51-1,328,346.84-618,008.28

Finding the Fourth Proportional to 962,001.51, 1,328,346.84 and 618,008.28

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Solution

The fourth proportional to 962,001.51, 1,328,346.84 and 618,008.28 is: 853,355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,001.51 : 1,328,346.84 = 618,008.28 : x
  2. Step 2: Convert to fraction form
    962,001.51/1,328,346.84 = 618,008.28/x
  3. Step 3: Cross multiply
    962,001.51x = 1,328,346.84 × 618,008.28
  4. Step 4: Simplify right side
    962,001.51x = 820,929,345,831.84
  5. Step 5: Solve for x
    x = 820,929,345,831.84/962,001.51
  6. Step 6: Final answer
    x = 853,355.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.