Home / 909,192.49-1,254,381.06-587,120.29

Finding the Fourth Proportional to 909,192.49, 1,254,381.06 and 587,120.29

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Solution

The fourth proportional to 909,192.49, 1,254,381.06 and 587,120.29 is: 810,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,192.49 : 1,254,381.06 = 587,120.29 : x
  2. Step 2: Convert to fraction form
    909,192.49/1,254,381.06 = 587,120.29/x
  3. Step 3: Cross multiply
    909,192.49x = 1,254,381.06 × 587,120.29
  4. Step 4: Simplify right side
    909,192.49x = 736,472,571,717.71
  5. Step 5: Solve for x
    x = 736,472,571,717.71/909,192.49
  6. Step 6: Final answer
    x = 810,029.32

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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.