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Finding the Fourth Proportional to 580,360.92, 800,495.10 and 472,931.16

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Solution

The fourth proportional to 580,360.92, 800,495.10 and 472,931.16 is: 652,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,360.92 : 800,495.10 = 472,931.16 : x
  2. Step 2: Convert to fraction form
    580,360.92/800,495.10 = 472,931.16/x
  3. Step 3: Cross multiply
    580,360.92x = 800,495.10 × 472,931.16
  4. Step 4: Simplify right side
    580,360.92x = 378,579,076,217.32
  5. Step 5: Solve for x
    x = 378,579,076,217.32/580,360.92
  6. Step 6: Final answer
    x = 652,316.62

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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.