Home / 730,071.75-1,007,506.75-403,376.63

Finding the Fourth Proportional to 730,071.75, 1,007,506.75 and 403,376.63

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Solution

The fourth proportional to 730,071.75, 1,007,506.75 and 403,376.63 is: 556,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,071.75 : 1,007,506.75 = 403,376.63 : x
  2. Step 2: Convert to fraction form
    730,071.75/1,007,506.75 = 403,376.63/x
  3. Step 3: Cross multiply
    730,071.75x = 1,007,506.75 × 403,376.63
  4. Step 4: Simplify right side
    730,071.75x = 406,404,681,641.00
  5. Step 5: Solve for x
    x = 406,404,681,641.00/730,071.75
  6. Step 6: Final answer
    x = 556,664.03

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Double scale
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Similar ratio
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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.