Home / 909,062.91-1,254,483.72-501,155.28

Finding the Fourth Proportional to 909,062.91, 1,254,483.72 and 501,155.28

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Solution

The fourth proportional to 909,062.91, 1,254,483.72 and 501,155.28 is: 691,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,062.91 : 1,254,483.72 = 501,155.28 : x
  2. Step 2: Convert to fraction form
    909,062.91/1,254,483.72 = 501,155.28/x
  3. Step 3: Cross multiply
    909,062.91x = 1,254,483.72 × 501,155.28
  4. Step 4: Simplify right side
    909,062.91x = 628,691,139,952.04
  5. Step 5: Solve for x
    x = 628,691,139,952.04/909,062.91
  6. Step 6: Final answer
    x = 691,581.55

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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.