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Finding the Fourth Proportional to 470,875.01, 701,876.71 and 433,083.65

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Solution

The fourth proportional to 470,875.01, 701,876.71 and 433,083.65 is: 645,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,875.01 : 701,876.71 = 433,083.65 : x
  2. Step 2: Convert to fraction form
    470,875.01/701,876.71 = 433,083.65/x
  3. Step 3: Cross multiply
    470,875.01x = 701,876.71 × 433,083.65
  4. Step 4: Simplify right side
    470,875.01x = 303,971,327,416.79
  5. Step 5: Solve for x
    x = 303,971,327,416.79/470,875.01
  6. Step 6: Final answer
    x = 645,545.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.