Home / 462,749.16-693,330.66-310,661.40

Finding the Fourth Proportional to 462,749.16, 693,330.66 and 310,661.40

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Solution

The fourth proportional to 462,749.16, 693,330.66 and 310,661.40 is: 465,459.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,749.16 : 693,330.66 = 310,661.40 : x
  2. Step 2: Convert to fraction form
    462,749.16/693,330.66 = 310,661.40/x
  3. Step 3: Cross multiply
    462,749.16x = 693,330.66 × 310,661.40
  4. Step 4: Simplify right side
    462,749.16x = 215,391,073,498.52
  5. Step 5: Solve for x
    x = 215,391,073,498.52/462,749.16
  6. Step 6: Final answer
    x = 465,459.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.