Home / 815,483.92-1,125,399.47-452,935.34

Finding the Fourth Proportional to 815,483.92, 1,125,399.47 and 452,935.34

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Solution

The fourth proportional to 815,483.92, 1,125,399.47 and 452,935.34 is: 625,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,483.92 : 1,125,399.47 = 452,935.34 : x
  2. Step 2: Convert to fraction form
    815,483.92/1,125,399.47 = 452,935.34/x
  3. Step 3: Cross multiply
    815,483.92x = 1,125,399.47 × 452,935.34
  4. Step 4: Simplify right side
    815,483.92x = 509,733,191,580.27
  5. Step 5: Solve for x
    x = 509,733,191,580.27/815,483.92
  6. Step 6: Final answer
    x = 625,068.35

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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.