Home / 898,011.80-1,347,017.70-661,815.80

Finding the Fourth Proportional to 898,011.80, 1,347,017.70 and 661,815.80

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Solution

The fourth proportional to 898,011.80, 1,347,017.70 and 661,815.80 is: 992,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,011.80 : 1,347,017.70 = 661,815.80 : x
  2. Step 2: Convert to fraction form
    898,011.80/1,347,017.70 = 661,815.80/x
  3. Step 3: Cross multiply
    898,011.80x = 1,347,017.70 × 661,815.80
  4. Step 4: Simplify right side
    898,011.80x = 891,477,596,739.66
  5. Step 5: Solve for x
    x = 891,477,596,739.66/898,011.80
  6. Step 6: Final answer
    x = 992,723.70

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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.