Home / 909,363.18-1,254,927.12-501,480.38

Finding the Fourth Proportional to 909,363.18, 1,254,927.12 and 501,480.38

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Solution

The fourth proportional to 909,363.18, 1,254,927.12 and 501,480.38 is: 692,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,363.18 : 1,254,927.12 = 501,480.38 : x
  2. Step 2: Convert to fraction form
    909,363.18/1,254,927.12 = 501,480.38/x
  3. Step 3: Cross multiply
    909,363.18x = 1,254,927.12 × 501,480.38
  4. Step 4: Simplify right side
    909,363.18x = 629,321,329,009.91
  5. Step 5: Solve for x
    x = 629,321,329,009.91/909,363.18
  6. Step 6: Final answer
    x = 692,046.20

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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.