Home / 903,980.25-1,355,931.47-272,875.23

Finding the Fourth Proportional to 903,980.25, 1,355,931.47 and 272,875.23

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Solution

The fourth proportional to 903,980.25, 1,355,931.47 and 272,875.23 is: 409,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,980.25 : 1,355,931.47 = 272,875.23 : x
  2. Step 2: Convert to fraction form
    903,980.25/1,355,931.47 = 272,875.23/x
  3. Step 3: Cross multiply
    903,980.25x = 1,355,931.47 × 272,875.23
  4. Step 4: Simplify right side
    903,980.25x = 370,000,112,422.68
  5. Step 5: Solve for x
    x = 370,000,112,422.68/903,980.25
  6. Step 6: Final answer
    x = 409,301.10

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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.