Home / 929,984.33-1,395,405.51-424,700.20

Finding the Fourth Proportional to 929,984.33, 1,395,405.51 and 424,700.20

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Solution

The fourth proportional to 929,984.33, 1,395,405.51 and 424,700.20 is: 637,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,984.33 : 1,395,405.51 = 424,700.20 : x
  2. Step 2: Convert to fraction form
    929,984.33/1,395,405.51 = 424,700.20/x
  3. Step 3: Cross multiply
    929,984.33x = 1,395,405.51 × 424,700.20
  4. Step 4: Simplify right side
    929,984.33x = 592,628,999,178.10
  5. Step 5: Solve for x
    x = 592,628,999,178.10/929,984.33
  6. Step 6: Final answer
    x = 637,246.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.