Home / 934,138.20-1,401,012.90-260,045.40

Finding the Fourth Proportional to 934,138.20, 1,401,012.90 and 260,045.40

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Solution

The fourth proportional to 934,138.20, 1,401,012.90 and 260,045.40 is: 390,013.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,138.20 : 1,401,012.90 = 260,045.40 : x
  2. Step 2: Convert to fraction form
    934,138.20/1,401,012.90 = 260,045.40/x
  3. Step 3: Cross multiply
    934,138.20x = 1,401,012.90 × 260,045.40
  4. Step 4: Simplify right side
    934,138.20x = 364,326,959,985.66
  5. Step 5: Solve for x
    x = 364,326,959,985.66/934,138.20
  6. Step 6: Final answer
    x = 390,013.98

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1.5x scale

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.