Home / 900,435.80-1,350,653.70-235,587.80

Finding the Fourth Proportional to 900,435.80, 1,350,653.70 and 235,587.80

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Solution

The fourth proportional to 900,435.80, 1,350,653.70 and 235,587.80 is: 353,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,435.80 : 1,350,653.70 = 235,587.80 : x
  2. Step 2: Convert to fraction form
    900,435.80/1,350,653.70 = 235,587.80/x
  3. Step 3: Cross multiply
    900,435.80x = 1,350,653.70 × 235,587.80
  4. Step 4: Simplify right side
    900,435.80x = 318,197,533,744.86
  5. Step 5: Solve for x
    x = 318,197,533,744.86/900,435.80
  6. Step 6: Final answer
    x = 353,381.70

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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.