Home / 903,980.43-1,355,931.76-272,875.41

Finding the Fourth Proportional to 903,980.43, 1,355,931.76 and 272,875.41

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Solution

The fourth proportional to 903,980.43, 1,355,931.76 and 272,875.41 is: 409,301.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,980.43 : 1,355,931.76 = 272,875.41 : x
  2. Step 2: Convert to fraction form
    903,980.43/1,355,931.76 = 272,875.41/x
  3. Step 3: Cross multiply
    903,980.43x = 1,355,931.76 × 272,875.41
  4. Step 4: Simplify right side
    903,980.43x = 370,000,434,259.83
  5. Step 5: Solve for x
    x = 370,000,434,259.83/903,980.43
  6. Step 6: Final answer
    x = 409,301.38

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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.