Home / 770,381.10-1,155,484.17-297,026.82

Finding the Fourth Proportional to 770,381.10, 1,155,484.17 and 297,026.82

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Solution

The fourth proportional to 770,381.10, 1,155,484.17 and 297,026.82 is: 445,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,381.10 : 1,155,484.17 = 297,026.82 : x
  2. Step 2: Convert to fraction form
    770,381.10/1,155,484.17 = 297,026.82/x
  3. Step 3: Cross multiply
    770,381.10x = 1,155,484.17 × 297,026.82
  4. Step 4: Simplify right side
    770,381.10x = 343,209,788,575.44
  5. Step 5: Solve for x
    x = 343,209,788,575.44/770,381.10
  6. Step 6: Final answer
    x = 445,506.50

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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.