Home / 649,931.48-896,888.62-359,535.50

Finding the Fourth Proportional to 649,931.48, 896,888.62 and 359,535.50

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Solution

The fourth proportional to 649,931.48, 896,888.62 and 359,535.50 is: 496,149.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,931.48 : 896,888.62 = 359,535.50 : x
  2. Step 2: Convert to fraction form
    649,931.48/896,888.62 = 359,535.50/x
  3. Step 3: Cross multiply
    649,931.48x = 896,888.62 × 359,535.50
  4. Step 4: Simplify right side
    649,931.48x = 322,463,298,436.01
  5. Step 5: Solve for x
    x = 322,463,298,436.01/649,931.48
  6. Step 6: Final answer
    x = 496,149.68

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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.