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Finding the Fourth Proportional to 555,835.86, 833,339.07 and 260,278.74

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Solution

The fourth proportional to 555,835.86, 833,339.07 and 260,278.74 is: 390,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,835.86 : 833,339.07 = 260,278.74 : x
  2. Step 2: Convert to fraction form
    555,835.86/833,339.07 = 260,278.74/x
  3. Step 3: Cross multiply
    555,835.86x = 833,339.07 × 260,278.74
  4. Step 4: Simplify right side
    555,835.86x = 216,900,443,132.37
  5. Step 5: Solve for x
    x = 216,900,443,132.37/555,835.86
  6. Step 6: Final answer
    x = 390,223.91

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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.