Home / 424,160.40-585,337.21-315,749.54

Finding the Fourth Proportional to 424,160.40, 585,337.21 and 315,749.54

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Solution

The fourth proportional to 424,160.40, 585,337.21 and 315,749.54 is: 435,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,160.40 : 585,337.21 = 315,749.54 : x
  2. Step 2: Convert to fraction form
    424,160.40/585,337.21 = 315,749.54/x
  3. Step 3: Cross multiply
    424,160.40x = 585,337.21 × 315,749.54
  4. Step 4: Simplify right side
    424,160.40x = 184,819,956,364.40
  5. Step 5: Solve for x
    x = 184,819,956,364.40/424,160.40
  6. Step 6: Final answer
    x = 435,731.29

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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.