Home / 637,161.16-955,206.06-426,155.08

Finding the Fourth Proportional to 637,161.16, 955,206.06 and 426,155.08

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Solution

The fourth proportional to 637,161.16, 955,206.06 and 426,155.08 is: 638,874.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,161.16 : 955,206.06 = 426,155.08 : x
  2. Step 2: Convert to fraction form
    637,161.16/955,206.06 = 426,155.08/x
  3. Step 3: Cross multiply
    637,161.16x = 955,206.06 × 426,155.08
  4. Step 4: Simplify right side
    637,161.16x = 407,065,914,915.79
  5. Step 5: Solve for x
    x = 407,065,914,915.79/637,161.16
  6. Step 6: Final answer
    x = 638,874.34

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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.