Home / 975,434.28-1,346,151.60-545,688.78

Finding the Fourth Proportional to 975,434.28, 1,346,151.60 and 545,688.78

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Solution

The fourth proportional to 975,434.28, 1,346,151.60 and 545,688.78 is: 753,079.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,434.28 : 1,346,151.60 = 545,688.78 : x
  2. Step 2: Convert to fraction form
    975,434.28/1,346,151.60 = 545,688.78/x
  3. Step 3: Cross multiply
    975,434.28x = 1,346,151.60 × 545,688.78
  4. Step 4: Simplify right side
    975,434.28x = 734,579,824,299.05
  5. Step 5: Solve for x
    x = 734,579,824,299.05/975,434.28
  6. Step 6: Final answer
    x = 753,079.77

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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.