Home / 654,283.02-981,423.05-205,038.12

Finding the Fourth Proportional to 654,283.02, 981,423.05 and 205,038.12

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Solution

The fourth proportional to 654,283.02, 981,423.05 and 205,038.12 is: 307,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,283.02 : 981,423.05 = 205,038.12 : x
  2. Step 2: Convert to fraction form
    654,283.02/981,423.05 = 205,038.12/x
  3. Step 3: Cross multiply
    654,283.02x = 981,423.05 × 205,038.12
  4. Step 4: Simplify right side
    654,283.02x = 201,229,136,071.48
  5. Step 5: Solve for x
    x = 201,229,136,071.48/654,283.02
  6. Step 6: Final answer
    x = 307,556.71

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1.5x scale

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.