Home / 880,148.04-1,320,428-272,904.40

Finding the Fourth Proportional to 880,148.04, 1,320,428 and 272,904.40

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Solution

The fourth proportional to 880,148.04, 1,320,428 and 272,904.40 is: 409,420.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,148.04 : 1,320,428 = 272,904.40 : x
  2. Step 2: Convert to fraction form
    880,148.04/1,320,428 = 272,904.40/x
  3. Step 3: Cross multiply
    880,148.04x = 1,320,428 × 272,904.40
  4. Step 4: Simplify right side
    880,148.04x = 360,350,611,083.20
  5. Step 5: Solve for x
    x = 360,350,611,083.20/880,148.04
  6. Step 6: Final answer
    x = 409,420.46

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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.