Home / 757,629.84-1,045,501.76-418,090.80

Finding the Fourth Proportional to 757,629.84, 1,045,501.76 and 418,090.80

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Solution

The fourth proportional to 757,629.84, 1,045,501.76 and 418,090.80 is: 576,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,629.84 : 1,045,501.76 = 418,090.80 : x
  2. Step 2: Convert to fraction form
    757,629.84/1,045,501.76 = 418,090.80/x
  3. Step 3: Cross multiply
    757,629.84x = 1,045,501.76 × 418,090.80
  4. Step 4: Simplify right side
    757,629.84x = 437,114,667,239.81
  5. Step 5: Solve for x
    x = 437,114,667,239.81/757,629.84
  6. Step 6: Final answer
    x = 576,950.17

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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.