Home / 763,630.50-1,053,810.10-424,130.34

Finding the Fourth Proportional to 763,630.50, 1,053,810.10 and 424,130.34

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Solution

The fourth proportional to 763,630.50, 1,053,810.10 and 424,130.34 is: 585,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,630.50 : 1,053,810.10 = 424,130.34 : x
  2. Step 2: Convert to fraction form
    763,630.50/1,053,810.10 = 424,130.34/x
  3. Step 3: Cross multiply
    763,630.50x = 1,053,810.10 × 424,130.34
  4. Step 4: Simplify right side
    763,630.50x = 446,952,836,008.43
  5. Step 5: Solve for x
    x = 446,952,836,008.43/763,630.50
  6. Step 6: Final answer
    x = 585,299.87

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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.