Home / 657,316.14-907,096.32-355,510.14

Finding the Fourth Proportional to 657,316.14, 907,096.32 and 355,510.14

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Solution

The fourth proportional to 657,316.14, 907,096.32 and 355,510.14 is: 490,604.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,316.14 : 907,096.32 = 355,510.14 : x
  2. Step 2: Convert to fraction form
    657,316.14/907,096.32 = 355,510.14/x
  3. Step 3: Cross multiply
    657,316.14x = 907,096.32 × 355,510.14
  4. Step 4: Simplify right side
    657,316.14x = 322,481,939,716.69
  5. Step 5: Solve for x
    x = 322,481,939,716.69/657,316.14
  6. Step 6: Final answer
    x = 490,604.02

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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.