Home / 772,784.70-1,158,637.05-457,079.10

Finding the Fourth Proportional to 772,784.70, 1,158,637.05 and 457,079.10

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Solution

The fourth proportional to 772,784.70, 1,158,637.05 and 457,079.10 is: 685,299.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,784.70 : 1,158,637.05 = 457,079.10 : x
  2. Step 2: Convert to fraction form
    772,784.70/1,158,637.05 = 457,079.10/x
  3. Step 3: Cross multiply
    772,784.70x = 1,158,637.05 × 457,079.10
  4. Step 4: Simplify right side
    772,784.70x = 529,588,780,040.66
  5. Step 5: Solve for x
    x = 529,588,780,040.66/772,784.70
  6. Step 6: Final answer
    x = 685,299.26

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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.