Home / 920,714.28-1,270,620.02-507,267.86

Finding the Fourth Proportional to 920,714.28, 1,270,620.02 and 507,267.86

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Solution

The fourth proportional to 920,714.28, 1,270,620.02 and 507,267.86 is: 700,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,714.28 : 1,270,620.02 = 507,267.86 : x
  2. Step 2: Convert to fraction form
    920,714.28/1,270,620.02 = 507,267.86/x
  3. Step 3: Cross multiply
    920,714.28x = 1,270,620.02 × 507,267.86
  4. Step 4: Simplify right side
    920,714.28x = 644,544,698,418.56
  5. Step 5: Solve for x
    x = 644,544,698,418.56/920,714.28
  6. Step 6: Final answer
    x = 700,048.55

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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.