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Finding the Fourth Proportional to 570,545.76, 787,377.74 and 315,896.94

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Solution

The fourth proportional to 570,545.76, 787,377.74 and 315,896.94 is: 435,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,545.76 : 787,377.74 = 315,896.94 : x
  2. Step 2: Convert to fraction form
    570,545.76/787,377.74 = 315,896.94/x
  3. Step 3: Cross multiply
    570,545.76x = 787,377.74 × 315,896.94
  4. Step 4: Simplify right side
    570,545.76x = 248,730,218,690.12
  5. Step 5: Solve for x
    x = 248,730,218,690.12/570,545.76
  6. Step 6: Final answer
    x = 435,951.39

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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.