Home / 810,946.92-1,119,061.58-448,349.61

Finding the Fourth Proportional to 810,946.92, 1,119,061.58 and 448,349.61

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Solution

The fourth proportional to 810,946.92, 1,119,061.58 and 448,349.61 is: 618,697.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,946.92 : 1,119,061.58 = 448,349.61 : x
  2. Step 2: Convert to fraction form
    810,946.92/1,119,061.58 = 448,349.61/x
  3. Step 3: Cross multiply
    810,946.92x = 1,119,061.58 × 448,349.61
  4. Step 4: Simplify right side
    810,946.92x = 501,730,824,913.72
  5. Step 5: Solve for x
    x = 501,730,824,913.72/810,946.92
  6. Step 6: Final answer
    x = 618,697.49

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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.