Home / 815,448.04-1,125,346.26-452,877.64

Finding the Fourth Proportional to 815,448.04, 1,125,346.26 and 452,877.64

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Solution

The fourth proportional to 815,448.04, 1,125,346.26 and 452,877.64 is: 624,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,448.04 : 1,125,346.26 = 452,877.64 : x
  2. Step 2: Convert to fraction form
    815,448.04/1,125,346.26 = 452,877.64/x
  3. Step 3: Cross multiply
    815,448.04x = 1,125,346.26 × 452,877.64
  4. Step 4: Simplify right side
    815,448.04x = 509,644,158,411.63
  5. Step 5: Solve for x
    x = 509,644,158,411.63/815,448.04
  6. Step 6: Final answer
    x = 624,986.67

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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.