Home / 910,541.80-1,365,812.70-341,921.80

Finding the Fourth Proportional to 910,541.80, 1,365,812.70 and 341,921.80

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Solution

The fourth proportional to 910,541.80, 1,365,812.70 and 341,921.80 is: 512,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,541.80 : 1,365,812.70 = 341,921.80 : x
  2. Step 2: Convert to fraction form
    910,541.80/1,365,812.70 = 341,921.80/x
  3. Step 3: Cross multiply
    910,541.80x = 1,365,812.70 × 341,921.80
  4. Step 4: Simplify right side
    910,541.80x = 467,001,136,846.86
  5. Step 5: Solve for x
    x = 467,001,136,846.86/910,541.80
  6. Step 6: Final answer
    x = 512,882.70

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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.