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Finding the Fourth Proportional to 562,545.72, 776,283.30 and 307,847.70

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Solution

The fourth proportional to 562,545.72, 776,283.30 and 307,847.70 is: 424,813.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,545.72 : 776,283.30 = 307,847.70 : x
  2. Step 2: Convert to fraction form
    562,545.72/776,283.30 = 307,847.70/x
  3. Step 3: Cross multiply
    562,545.72x = 776,283.30 × 307,847.70
  4. Step 4: Simplify right side
    562,545.72x = 238,977,028,453.41
  5. Step 5: Solve for x
    x = 238,977,028,453.41/562,545.72
  6. Step 6: Final answer
    x = 424,813.52

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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.