Home / 508,749.07-702,038.58-282,376.75

Finding the Fourth Proportional to 508,749.07, 702,038.58 and 282,376.75

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Solution

The fourth proportional to 508,749.07, 702,038.58 and 282,376.75 is: 389,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,749.07 : 702,038.58 = 282,376.75 : x
  2. Step 2: Convert to fraction form
    508,749.07/702,038.58 = 282,376.75/x
  3. Step 3: Cross multiply
    508,749.07x = 702,038.58 × 282,376.75
  4. Step 4: Simplify right side
    508,749.07x = 198,239,372,595.02
  5. Step 5: Solve for x
    x = 198,239,372,595.02/508,749.07
  6. Step 6: Final answer
    x = 389,660.41

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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.