Home / 868,952.81-1,303,626.35-307,987.31

Finding the Fourth Proportional to 868,952.81, 1,303,626.35 and 307,987.31

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Solution

The fourth proportional to 868,952.81, 1,303,626.35 and 307,987.31 is: 462,050.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,952.81 : 1,303,626.35 = 307,987.31 : x
  2. Step 2: Convert to fraction form
    868,952.81/1,303,626.35 = 307,987.31/x
  3. Step 3: Cross multiply
    868,952.81x = 1,303,626.35 × 307,987.31
  4. Step 4: Simplify right side
    868,952.81x = 401,500,376,810.65
  5. Step 5: Solve for x
    x = 401,500,376,810.65/868,952.81
  6. Step 6: Final answer
    x = 462,050.84

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1.5x scale

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.