Home / 759,650.72-1,137,547.71-455,853.87

Finding the Fourth Proportional to 759,650.72, 1,137,547.71 and 455,853.87

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Solution

The fourth proportional to 759,650.72, 1,137,547.71 and 455,853.87 is: 682,623.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,650.72 : 1,137,547.71 = 455,853.87 : x
  2. Step 2: Convert to fraction form
    759,650.72/1,137,547.71 = 455,853.87/x
  3. Step 3: Cross multiply
    759,650.72x = 1,137,547.71 × 455,853.87
  4. Step 4: Simplify right side
    759,650.72x = 518,555,525,913.14
  5. Step 5: Solve for x
    x = 518,555,525,913.14/759,650.72
  6. Step 6: Final answer
    x = 682,623.63

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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.