Home / 683,313.14-942,979.19-377,397.20

Finding the Fourth Proportional to 683,313.14, 942,979.19 and 377,397.20

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Solution

The fourth proportional to 683,313.14, 942,979.19 and 377,397.20 is: 520,812.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,313.14 : 942,979.19 = 377,397.20 : x
  2. Step 2: Convert to fraction form
    683,313.14/942,979.19 = 377,397.20/x
  3. Step 3: Cross multiply
    683,313.14x = 942,979.19 × 377,397.20
  4. Step 4: Simplify right side
    683,313.14x = 355,877,699,362.39
  5. Step 5: Solve for x
    x = 355,877,699,362.39/683,313.14
  6. Step 6: Final answer
    x = 520,812.03

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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.