Home / 909,075.91-1,254,532.87-501,192.21

Finding the Fourth Proportional to 909,075.91, 1,254,532.87 and 501,192.21

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Solution

The fourth proportional to 909,075.91, 1,254,532.87 and 501,192.21 is: 691,649.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,075.91 : 1,254,532.87 = 501,192.21 : x
  2. Step 2: Convert to fraction form
    909,075.91/1,254,532.87 = 501,192.21/x
  3. Step 3: Cross multiply
    909,075.91x = 1,254,532.87 × 501,192.21
  4. Step 4: Simplify right side
    909,075.91x = 628,762,101,632.94
  5. Step 5: Solve for x
    x = 628,762,101,632.94/909,075.91
  6. Step 6: Final answer
    x = 691,649.72

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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.