Home / 696,890.40-1,046,113.20-651,206.40

Finding the Fourth Proportional to 696,890.40, 1,046,113.20 and 651,206.40

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Solution

The fourth proportional to 696,890.40, 1,046,113.20 and 651,206.40 is: 977,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,890.40 : 1,046,113.20 = 651,206.40 : x
  2. Step 2: Convert to fraction form
    696,890.40/1,046,113.20 = 651,206.40/x
  3. Step 3: Cross multiply
    696,890.40x = 1,046,113.20 × 651,206.40
  4. Step 4: Simplify right side
    696,890.40x = 681,235,610,964.48
  5. Step 5: Solve for x
    x = 681,235,610,964.48/696,890.40
  6. Step 6: Final answer
    x = 977,536.23

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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.