Home / 971,837.80-1,457,756.70-340,815.40

Finding the Fourth Proportional to 971,837.80, 1,457,756.70 and 340,815.40

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Solution

The fourth proportional to 971,837.80, 1,457,756.70 and 340,815.40 is: 511,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,837.80 : 1,457,756.70 = 340,815.40 : x
  2. Step 2: Convert to fraction form
    971,837.80/1,457,756.70 = 340,815.40/x
  3. Step 3: Cross multiply
    971,837.80x = 1,457,756.70 × 340,815.40
  4. Step 4: Simplify right side
    971,837.80x = 496,825,932,813.18
  5. Step 5: Solve for x
    x = 496,825,932,813.18/971,837.80
  6. Step 6: Final answer
    x = 511,223.10

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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.