Home / 740,206.55-1,109,661.12-355,763.14

Finding the Fourth Proportional to 740,206.55, 1,109,661.12 and 355,763.14

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Solution

The fourth proportional to 740,206.55, 1,109,661.12 and 355,763.14 is: 533,332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,206.55 : 1,109,661.12 = 355,763.14 : x
  2. Step 2: Convert to fraction form
    740,206.55/1,109,661.12 = 355,763.14/x
  3. Step 3: Cross multiply
    740,206.55x = 1,109,661.12 × 355,763.14
  4. Step 4: Simplify right side
    740,206.55x = 394,776,521,612.96
  5. Step 5: Solve for x
    x = 394,776,521,612.96/740,206.55
  6. Step 6: Final answer
    x = 533,332.92

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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.