Home / 646,746.48-892,530.36-371,154.72

Finding the Fourth Proportional to 646,746.48, 892,530.36 and 371,154.72

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Solution

The fourth proportional to 646,746.48, 892,530.36 and 371,154.72 is: 512,205.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,746.48 : 892,530.36 = 371,154.72 : x
  2. Step 2: Convert to fraction form
    646,746.48/892,530.36 = 371,154.72/x
  3. Step 3: Cross multiply
    646,746.48x = 892,530.36 × 371,154.72
  4. Step 4: Simplify right side
    646,746.48x = 331,266,855,857.30
  5. Step 5: Solve for x
    x = 331,266,855,857.30/646,746.48
  6. Step 6: Final answer
    x = 512,205.12

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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.