Home / 909,052.52-1,254,500.54-501,168.71

Finding the Fourth Proportional to 909,052.52, 1,254,500.54 and 501,168.71

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Solution

The fourth proportional to 909,052.52, 1,254,500.54 and 501,168.71 is: 691,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,052.52 : 1,254,500.54 = 501,168.71 : x
  2. Step 2: Convert to fraction form
    909,052.52/1,254,500.54 = 501,168.71/x
  3. Step 3: Cross multiply
    909,052.52x = 1,254,500.54 × 501,168.71
  4. Step 4: Simplify right side
    909,052.52x = 628,716,417,956.51
  5. Step 5: Solve for x
    x = 628,716,417,956.51/909,052.52
  6. Step 6: Final answer
    x = 691,617.27

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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.