Home / 917,393.73-1,375,545.51-348,816.40

Finding the Fourth Proportional to 917,393.73, 1,375,545.51 and 348,816.40

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Solution

The fourth proportional to 917,393.73, 1,375,545.51 and 348,816.40 is: 523,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,393.73 : 1,375,545.51 = 348,816.40 : x
  2. Step 2: Convert to fraction form
    917,393.73/1,375,545.51 = 348,816.40/x
  3. Step 3: Cross multiply
    917,393.73x = 1,375,545.51 × 348,816.40
  4. Step 4: Simplify right side
    917,393.73x = 479,812,833,245.73
  5. Step 5: Solve for x
    x = 479,812,833,245.73/917,393.73
  6. Step 6: Final answer
    x = 523,017.35

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1.5x scale

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.