Home / 874,698.06-1,307,254.70-638,538.06

Finding the Fourth Proportional to 874,698.06, 1,307,254.70 and 638,538.06

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Solution

The fourth proportional to 874,698.06, 1,307,254.70 and 638,538.06 is: 954,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,698.06 : 1,307,254.70 = 638,538.06 : x
  2. Step 2: Convert to fraction form
    874,698.06/1,307,254.70 = 638,538.06/x
  3. Step 3: Cross multiply
    874,698.06x = 1,307,254.70 × 638,538.06
  4. Step 4: Simplify right side
    874,698.06x = 834,731,876,871.19
  5. Step 5: Solve for x
    x = 834,731,876,871.19/874,698.06
  6. Step 6: Final answer
    x = 954,308.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.