Home / 909,097.75-1,254,554.50-521,938.14

Finding the Fourth Proportional to 909,097.75, 1,254,554.50 and 521,938.14

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Solution

The fourth proportional to 909,097.75, 1,254,554.50 and 521,938.14 is: 720,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,097.75 : 1,254,554.50 = 521,938.14 : x
  2. Step 2: Convert to fraction form
    909,097.75/1,254,554.50 = 521,938.14/x
  3. Step 3: Cross multiply
    909,097.75x = 1,254,554.50 × 521,938.14
  4. Step 4: Simplify right side
    909,097.75x = 654,799,833,376.17
  5. Step 5: Solve for x
    x = 654,799,833,376.17/909,097.75
  6. Step 6: Final answer
    x = 720,274.40

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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.