Home / 763,637.90-1,053,822.78-424,106.15

Finding the Fourth Proportional to 763,637.90, 1,053,822.78 and 424,106.15

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Solution

The fourth proportional to 763,637.90, 1,053,822.78 and 424,106.15 is: 585,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,637.90 : 1,053,822.78 = 424,106.15 : x
  2. Step 2: Convert to fraction form
    763,637.90/1,053,822.78 = 424,106.15/x
  3. Step 3: Cross multiply
    763,637.90x = 1,053,822.78 × 424,106.15
  4. Step 4: Simplify right side
    763,637.90x = 446,932,716,738.98
  5. Step 5: Solve for x
    x = 446,932,716,738.98/763,637.90
  6. Step 6: Final answer
    x = 585,267.86

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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.