Home / 689,176.36-950,923.96-402,641.10

Finding the Fourth Proportional to 689,176.36, 950,923.96 and 402,641.10

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Solution

The fourth proportional to 689,176.36, 950,923.96 and 402,641.10 is: 555,563.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,176.36 : 950,923.96 = 402,641.10 : x
  2. Step 2: Convert to fraction form
    689,176.36/950,923.96 = 402,641.10/x
  3. Step 3: Cross multiply
    689,176.36x = 950,923.96 × 402,641.10
  4. Step 4: Simplify right side
    689,176.36x = 382,881,069,270.76
  5. Step 5: Solve for x
    x = 382,881,069,270.76/689,176.36
  6. Step 6: Final answer
    x = 555,563.27

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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.