Home / 668,320.86-1,000,254.81-534,573.66

Finding the Fourth Proportional to 668,320.86, 1,000,254.81 and 534,573.66

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Solution

The fourth proportional to 668,320.86, 1,000,254.81 and 534,573.66 is: 800,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,320.86 : 1,000,254.81 = 534,573.66 : x
  2. Step 2: Convert to fraction form
    668,320.86/1,000,254.81 = 534,573.66/x
  3. Step 3: Cross multiply
    668,320.86x = 1,000,254.81 × 534,573.66
  4. Step 4: Simplify right side
    668,320.86x = 534,709,874,714.31
  5. Step 5: Solve for x
    x = 534,709,874,714.31/668,320.86
  6. Step 6: Final answer
    x = 800,079.58

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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.