Home / 1,004,391.18-1,506,420.32-330,480.90

Finding the Fourth Proportional to 1,004,391.18, 1,506,420.32 and 330,480.90

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Solution

The fourth proportional to 1,004,391.18, 1,506,420.32 and 330,480.90 is: 495,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,391.18 : 1,506,420.32 = 330,480.90 : x
  2. Step 2: Convert to fraction form
    1,004,391.18/1,506,420.32 = 330,480.90/x
  3. Step 3: Cross multiply
    1,004,391.18x = 1,506,420.32 × 330,480.90
  4. Step 4: Simplify right side
    1,004,391.18x = 497,843,141,479.48
  5. Step 5: Solve for x
    x = 497,843,141,479.48/1,004,391.18
  6. Step 6: Final answer
    x = 495,666.58

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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.