Home / 913,683.96-1,370,521.62-609,435

Finding the Fourth Proportional to 913,683.96, 1,370,521.62 and 609,435

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Solution

The fourth proportional to 913,683.96, 1,370,521.62 and 609,435 is: 914,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,683.96 : 1,370,521.62 = 609,435 : x
  2. Step 2: Convert to fraction form
    913,683.96/1,370,521.62 = 609,435/x
  3. Step 3: Cross multiply
    913,683.96x = 1,370,521.62 × 609,435
  4. Step 4: Simplify right side
    913,683.96x = 835,243,843,484.70
  5. Step 5: Solve for x
    x = 835,243,843,484.70/913,683.96
  6. Step 6: Final answer
    x = 914,149.62

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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.