Home / 855,136.62-1,180,088.64-467,952.12

Finding the Fourth Proportional to 855,136.62, 1,180,088.64 and 467,952.12

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Solution

The fourth proportional to 855,136.62, 1,180,088.64 and 467,952.12 is: 645,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,136.62 : 1,180,088.64 = 467,952.12 : x
  2. Step 2: Convert to fraction form
    855,136.62/1,180,088.64 = 467,952.12/x
  3. Step 3: Cross multiply
    855,136.62x = 1,180,088.64 × 467,952.12
  4. Step 4: Simplify right side
    855,136.62x = 552,224,980,875.92
  5. Step 5: Solve for x
    x = 552,224,980,875.92/855,136.62
  6. Step 6: Final answer
    x = 645,773.98

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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.