Home / 971,803.89-1,457,718.80-340,736.13

Finding the Fourth Proportional to 971,803.89, 1,457,718.80 and 340,736.13

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Solution

The fourth proportional to 971,803.89, 1,457,718.80 and 340,736.13 is: 511,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,803.89 : 1,457,718.80 = 340,736.13 : x
  2. Step 2: Convert to fraction form
    971,803.89/1,457,718.80 = 340,736.13/x
  3. Step 3: Cross multiply
    971,803.89x = 1,457,718.80 × 340,736.13
  4. Step 4: Simplify right side
    971,803.89x = 496,697,460,836.56
  5. Step 5: Solve for x
    x = 496,697,460,836.56/971,803.89
  6. Step 6: Final answer
    x = 511,108.74

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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.