Home / 843,144.57-1,163,510.05-480,685.16

Finding the Fourth Proportional to 843,144.57, 1,163,510.05 and 480,685.16

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Solution

The fourth proportional to 843,144.57, 1,163,510.05 and 480,685.16 is: 663,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,144.57 : 1,163,510.05 = 480,685.16 : x
  2. Step 2: Convert to fraction form
    843,144.57/1,163,510.05 = 480,685.16/x
  3. Step 3: Cross multiply
    843,144.57x = 1,163,510.05 × 480,685.16
  4. Step 4: Simplify right side
    843,144.57x = 559,282,014,545.86
  5. Step 5: Solve for x
    x = 559,282,014,545.86/843,144.57
  6. Step 6: Final answer
    x = 663,328.73

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Double scale
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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.