Home / 909,339.16-1,254,860.58-501,440.80

Finding the Fourth Proportional to 909,339.16, 1,254,860.58 and 501,440.80

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Solution

The fourth proportional to 909,339.16, 1,254,860.58 and 501,440.80 is: 691,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,339.16 : 1,254,860.58 = 501,440.80 : x
  2. Step 2: Convert to fraction form
    909,339.16/1,254,860.58 = 501,440.80/x
  3. Step 3: Cross multiply
    909,339.16x = 1,254,860.58 × 501,440.80
  4. Step 4: Simplify right side
    909,339.16x = 629,238,293,123.66
  5. Step 5: Solve for x
    x = 629,238,293,123.66/909,339.16
  6. Step 6: Final answer
    x = 691,973.16

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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.