Home / 909,417.98-1,254,980.22-501,557.48

Finding the Fourth Proportional to 909,417.98, 1,254,980.22 and 501,557.48

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Solution

The fourth proportional to 909,417.98, 1,254,980.22 and 501,557.48 is: 692,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,417.98 : 1,254,980.22 = 501,557.48 : x
  2. Step 2: Convert to fraction form
    909,417.98/1,254,980.22 = 501,557.48/x
  3. Step 3: Cross multiply
    909,417.98x = 1,254,980.22 × 501,557.48
  4. Step 4: Simplify right side
    909,417.98x = 629,444,716,593.05
  5. Step 5: Solve for x
    x = 629,444,716,593.05/909,417.98
  6. Step 6: Final answer
    x = 692,140.17

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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.