Home / 939,880.08-1,409,357.04-340,751.28

Finding the Fourth Proportional to 939,880.08, 1,409,357.04 and 340,751.28

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Solution

The fourth proportional to 939,880.08, 1,409,357.04 and 340,751.28 is: 510,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,880.08 : 1,409,357.04 = 340,751.28 : x
  2. Step 2: Convert to fraction form
    939,880.08/1,409,357.04 = 340,751.28/x
  3. Step 3: Cross multiply
    939,880.08x = 1,409,357.04 × 340,751.28
  4. Step 4: Simplify right side
    939,880.08x = 480,240,215,357.01
  5. Step 5: Solve for x
    x = 480,240,215,357.01/939,880.08
  6. Step 6: Final answer
    x = 510,959.03

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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.