Home / 696,727.98-1,045,041.21-312,595.80

Finding the Fourth Proportional to 696,727.98, 1,045,041.21 and 312,595.80

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Solution

The fourth proportional to 696,727.98, 1,045,041.21 and 312,595.80 is: 468,870.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,727.98 : 1,045,041.21 = 312,595.80 : x
  2. Step 2: Convert to fraction form
    696,727.98/1,045,041.21 = 312,595.80/x
  3. Step 3: Cross multiply
    696,727.98x = 1,045,041.21 × 312,595.80
  4. Step 4: Simplify right side
    696,727.98x = 326,675,490,326.25
  5. Step 5: Solve for x
    x = 326,675,490,326.25/696,727.98
  6. Step 6: Final answer
    x = 468,870.92

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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.