Home / 823,637.50-1,136,643.47-461,059.20

Finding the Fourth Proportional to 823,637.50, 1,136,643.47 and 461,059.20

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Solution

The fourth proportional to 823,637.50, 1,136,643.47 and 461,059.20 is: 636,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,637.50 : 1,136,643.47 = 461,059.20 : x
  2. Step 2: Convert to fraction form
    823,637.50/1,136,643.47 = 461,059.20/x
  3. Step 3: Cross multiply
    823,637.50x = 1,136,643.47 × 461,059.20
  4. Step 4: Simplify right side
    823,637.50x = 524,059,928,963.42
  5. Step 5: Solve for x
    x = 524,059,928,963.42/823,637.50
  6. Step 6: Final answer
    x = 636,274.97

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1.5x scale

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.