Home / 828,617.16-1,143,579.42-506,515.80

Finding the Fourth Proportional to 828,617.16, 1,143,579.42 and 506,515.80

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Solution

The fourth proportional to 828,617.16, 1,143,579.42 and 506,515.80 is: 699,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,617.16 : 1,143,579.42 = 506,515.80 : x
  2. Step 2: Convert to fraction form
    828,617.16/1,143,579.42 = 506,515.80/x
  3. Step 3: Cross multiply
    828,617.16x = 1,143,579.42 × 506,515.80
  4. Step 4: Simplify right side
    828,617.16x = 579,241,044,784.84
  5. Step 5: Solve for x
    x = 579,241,044,784.84/828,617.16
  6. Step 6: Final answer
    x = 699,045.44

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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.