Home / 748,382.70-1,127,627.72-618,180.06

Finding the Fourth Proportional to 748,382.70, 1,127,627.72 and 618,180.06

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Solution

The fourth proportional to 748,382.70, 1,127,627.72 and 618,180.06 is: 931,444.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,382.70 : 1,127,627.72 = 618,180.06 : x
  2. Step 2: Convert to fraction form
    748,382.70/1,127,627.72 = 618,180.06/x
  3. Step 3: Cross multiply
    748,382.70x = 1,127,627.72 × 618,180.06
  4. Step 4: Simplify right side
    748,382.70x = 697,076,968,516.36
  5. Step 5: Solve for x
    x = 697,076,968,516.36/748,382.70
  6. Step 6: Final answer
    x = 931,444.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.