Home / 742,815.15-1,025,089.08-436,904.37

Finding the Fourth Proportional to 742,815.15, 1,025,089.08 and 436,904.37

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Solution

The fourth proportional to 742,815.15, 1,025,089.08 and 436,904.37 is: 602,930.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,815.15 : 1,025,089.08 = 436,904.37 : x
  2. Step 2: Convert to fraction form
    742,815.15/1,025,089.08 = 436,904.37/x
  3. Step 3: Cross multiply
    742,815.15x = 1,025,089.08 × 436,904.37
  4. Step 4: Simplify right side
    742,815.15x = 447,865,898,691.28
  5. Step 5: Solve for x
    x = 447,865,898,691.28/742,815.15
  6. Step 6: Final answer
    x = 602,930.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.