Home / 780,524.58-1,077,303.90-508,118.01

Finding the Fourth Proportional to 780,524.58, 1,077,303.90 and 508,118.01

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Solution

The fourth proportional to 780,524.58, 1,077,303.90 and 508,118.01 is: 701,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,524.58 : 1,077,303.90 = 508,118.01 : x
  2. Step 2: Convert to fraction form
    780,524.58/1,077,303.90 = 508,118.01/x
  3. Step 3: Cross multiply
    780,524.58x = 1,077,303.90 × 508,118.01
  4. Step 4: Simplify right side
    780,524.58x = 547,397,514,900.46
  5. Step 5: Solve for x
    x = 547,397,514,900.46/780,524.58
  6. Step 6: Final answer
    x = 701,320.02

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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.