Home / 716,948.20-1,076,199.90-402,020.20

Finding the Fourth Proportional to 716,948.20, 1,076,199.90 and 402,020.20

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Solution

The fourth proportional to 716,948.20, 1,076,199.90 and 402,020.20 is: 603,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,948.20 : 1,076,199.90 = 402,020.20 : x
  2. Step 2: Convert to fraction form
    716,948.20/1,076,199.90 = 402,020.20/x
  3. Step 3: Cross multiply
    716,948.20x = 1,076,199.90 × 402,020.20
  4. Step 4: Simplify right side
    716,948.20x = 432,654,099,037.98
  5. Step 5: Solve for x
    x = 432,654,099,037.98/716,948.20
  6. Step 6: Final answer
    x = 603,466.33

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Double scale
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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.