Home / 934,945.28-1,290,315.20-553,094.88

Finding the Fourth Proportional to 934,945.28, 1,290,315.20 and 553,094.88

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Solution

The fourth proportional to 934,945.28, 1,290,315.20 and 553,094.88 is: 763,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,945.28 : 1,290,315.20 = 553,094.88 : x
  2. Step 2: Convert to fraction form
    934,945.28/1,290,315.20 = 553,094.88/x
  3. Step 3: Cross multiply
    934,945.28x = 1,290,315.20 × 553,094.88
  4. Step 4: Simplify right side
    934,945.28x = 713,666,730,706.18
  5. Step 5: Solve for x
    x = 713,666,730,706.18/934,945.28
  6. Step 6: Final answer
    x = 763,324.60

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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.