Home / 909,740.20-1,255,414.26-507,332.20

Finding the Fourth Proportional to 909,740.20, 1,255,414.26 and 507,332.20

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Solution

The fourth proportional to 909,740.20, 1,255,414.26 and 507,332.20 is: 700,103.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,740.20 : 1,255,414.26 = 507,332.20 : x
  2. Step 2: Convert to fraction form
    909,740.20/1,255,414.26 = 507,332.20/x
  3. Step 3: Cross multiply
    909,740.20x = 1,255,414.26 × 507,332.20
  4. Step 4: Simplify right side
    909,740.20x = 636,912,078,437.17
  5. Step 5: Solve for x
    x = 636,912,078,437.17/909,740.20
  6. Step 6: Final answer
    x = 700,103.26

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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.