Home / 646,982.16-892,835.40-375,207.67

Finding the Fourth Proportional to 646,982.16, 892,835.40 and 375,207.67

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Solution

The fourth proportional to 646,982.16, 892,835.40 and 375,207.67 is: 517,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,982.16 : 892,835.40 = 375,207.67 : x
  2. Step 2: Convert to fraction form
    646,982.16/892,835.40 = 375,207.67/x
  3. Step 3: Cross multiply
    646,982.16x = 892,835.40 × 375,207.67
  4. Step 4: Simplify right side
    646,982.16x = 334,998,690,127.52
  5. Step 5: Solve for x
    x = 334,998,690,127.52/646,982.16
  6. Step 6: Final answer
    x = 517,786.60

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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.