Home / 899,326.74-1,241,055.86-491,419.18

Finding the Fourth Proportional to 899,326.74, 1,241,055.86 and 491,419.18

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Solution

The fourth proportional to 899,326.74, 1,241,055.86 and 491,419.18 is: 678,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,326.74 : 1,241,055.86 = 491,419.18 : x
  2. Step 2: Convert to fraction form
    899,326.74/1,241,055.86 = 491,419.18/x
  3. Step 3: Cross multiply
    899,326.74x = 1,241,055.86 × 491,419.18
  4. Step 4: Simplify right side
    899,326.74x = 609,878,647,495.66
  5. Step 5: Solve for x
    x = 609,878,647,495.66/899,326.74
  6. Step 6: Final answer
    x = 678,150.24

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Double scale
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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.