Home / 700,477.20-1,050,715.80-611,903.70

Finding the Fourth Proportional to 700,477.20, 1,050,715.80 and 611,903.70

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Solution

The fourth proportional to 700,477.20, 1,050,715.80 and 611,903.70 is: 917,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,477.20 : 1,050,715.80 = 611,903.70 : x
  2. Step 2: Convert to fraction form
    700,477.20/1,050,715.80 = 611,903.70/x
  3. Step 3: Cross multiply
    700,477.20x = 1,050,715.80 × 611,903.70
  4. Step 4: Simplify right side
    700,477.20x = 642,936,885,668.46
  5. Step 5: Solve for x
    x = 642,936,885,668.46/700,477.20
  6. Step 6: Final answer
    x = 917,855.55

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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.