Home / 745,327.14-1,028,499.57-423,043.80

Finding the Fourth Proportional to 745,327.14, 1,028,499.57 and 423,043.80

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Solution

The fourth proportional to 745,327.14, 1,028,499.57 and 423,043.80 is: 583,771.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,327.14 : 1,028,499.57 = 423,043.80 : x
  2. Step 2: Convert to fraction form
    745,327.14/1,028,499.57 = 423,043.80/x
  3. Step 3: Cross multiply
    745,327.14x = 1,028,499.57 × 423,043.80
  4. Step 4: Simplify right side
    745,327.14x = 435,100,366,391.17
  5. Step 5: Solve for x
    x = 435,100,366,391.17/745,327.14
  6. Step 6: Final answer
    x = 583,771.00

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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.