Home / 727,760.66-1,004,316.57-401,085.45

Finding the Fourth Proportional to 727,760.66, 1,004,316.57 and 401,085.45

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Solution

The fourth proportional to 727,760.66, 1,004,316.57 and 401,085.45 is: 553,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,760.66 : 1,004,316.57 = 401,085.45 : x
  2. Step 2: Convert to fraction form
    727,760.66/1,004,316.57 = 401,085.45/x
  3. Step 3: Cross multiply
    727,760.66x = 1,004,316.57 × 401,085.45
  4. Step 4: Simplify right side
    727,760.66x = 402,816,763,420.91
  5. Step 5: Solve for x
    x = 402,816,763,420.91/727,760.66
  6. Step 6: Final answer
    x = 553,501.70

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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.