Home / 689,941.80-952,001.14-634,133.47

Finding the Fourth Proportional to 689,941.80, 952,001.14 and 634,133.47

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Solution

The fourth proportional to 689,941.80, 952,001.14 and 634,133.47 is: 874,995.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,941.80 : 952,001.14 = 634,133.47 : x
  2. Step 2: Convert to fraction form
    689,941.80/952,001.14 = 634,133.47/x
  3. Step 3: Cross multiply
    689,941.80x = 952,001.14 × 634,133.47
  4. Step 4: Simplify right side
    689,941.80x = 603,695,786,352.16
  5. Step 5: Solve for x
    x = 603,695,786,352.16/689,941.80
  6. Step 6: Final answer
    x = 874,995.23

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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.