Home / 690,763.04-1,036,140.72-217,483.04

Finding the Fourth Proportional to 690,763.04, 1,036,140.72 and 217,483.04

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Solution

The fourth proportional to 690,763.04, 1,036,140.72 and 217,483.04 is: 326,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,763.04 : 1,036,140.72 = 217,483.04 : x
  2. Step 2: Convert to fraction form
    690,763.04/1,036,140.72 = 217,483.04/x
  3. Step 3: Cross multiply
    690,763.04x = 1,036,140.72 × 217,483.04
  4. Step 4: Simplify right side
    690,763.04x = 225,343,033,653.39
  5. Step 5: Solve for x
    x = 225,343,033,653.39/690,763.04
  6. Step 6: Final answer
    x = 326,223.35

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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.