Home / 909,563.78-1,255,690.14-547,068.53

Finding the Fourth Proportional to 909,563.78, 1,255,690.14 and 547,068.53

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Solution

The fourth proportional to 909,563.78, 1,255,690.14 and 547,068.53 is: 755,250.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,563.78 : 1,255,690.14 = 547,068.53 : x
  2. Step 2: Convert to fraction form
    909,563.78/1,255,690.14 = 547,068.53/x
  3. Step 3: Cross multiply
    909,563.78x = 1,255,690.14 × 547,068.53
  4. Step 4: Simplify right side
    909,563.78x = 686,948,559,025.29
  5. Step 5: Solve for x
    x = 686,948,559,025.29/909,563.78
  6. Step 6: Final answer
    x = 755,250.57

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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.