Home / 915,007.56-1,262,407.80-552,293.64

Finding the Fourth Proportional to 915,007.56, 1,262,407.80 and 552,293.64

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Solution

The fourth proportional to 915,007.56, 1,262,407.80 and 552,293.64 is: 761,982.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,007.56 : 1,262,407.80 = 552,293.64 : x
  2. Step 2: Convert to fraction form
    915,007.56/1,262,407.80 = 552,293.64/x
  3. Step 3: Cross multiply
    915,007.56x = 1,262,407.80 × 552,293.64
  4. Step 4: Simplify right side
    915,007.56x = 697,219,799,026.39
  5. Step 5: Solve for x
    x = 697,219,799,026.39/915,007.56
  6. Step 6: Final answer
    x = 761,982.56

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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.