Home / 742,307.48-1,114,020.99-543,141.71

Finding the Fourth Proportional to 742,307.48, 1,114,020.99 and 543,141.71

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Solution

The fourth proportional to 742,307.48, 1,114,020.99 and 543,141.71 is: 815,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,307.48 : 1,114,020.99 = 543,141.71 : x
  2. Step 2: Convert to fraction form
    742,307.48/1,114,020.99 = 543,141.71/x
  3. Step 3: Cross multiply
    742,307.48x = 1,114,020.99 × 543,141.71
  4. Step 4: Simplify right side
    742,307.48x = 605,071,259,914.39
  5. Step 5: Solve for x
    x = 605,071,259,914.39/742,307.48
  6. Step 6: Final answer
    x = 815,122.14

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.