Home / 971,913.68-1,457,880.12-340,842.64

Finding the Fourth Proportional to 971,913.68, 1,457,880.12 and 340,842.64

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Solution

The fourth proportional to 971,913.68, 1,457,880.12 and 340,842.64 is: 511,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,913.68 : 1,457,880.12 = 340,842.64 : x
  2. Step 2: Convert to fraction form
    971,913.68/1,457,880.12 = 340,842.64/x
  3. Step 3: Cross multiply
    971,913.68x = 1,457,880.12 × 340,842.64
  4. Step 4: Simplify right side
    971,913.68x = 496,907,708,904.32
  5. Step 5: Solve for x
    x = 496,907,708,904.32/971,913.68
  6. Step 6: Final answer
    x = 511,267.33

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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.