Home / 975,837.78-1,347,482.80-613,378.38

Finding the Fourth Proportional to 975,837.78, 1,347,482.80 and 613,378.38

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Solution

The fourth proportional to 975,837.78, 1,347,482.80 and 613,378.38 is: 846,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,837.78 : 1,347,482.80 = 613,378.38 : x
  2. Step 2: Convert to fraction form
    975,837.78/1,347,482.80 = 613,378.38/x
  3. Step 3: Cross multiply
    975,837.78x = 1,347,482.80 × 613,378.38
  4. Step 4: Simplify right side
    975,837.78x = 826,516,816,941.86
  5. Step 5: Solve for x
    x = 826,516,816,941.86/975,837.78
  6. Step 6: Final answer
    x = 846,981.78

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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.