Home / 874,946.40-1,207,425.75-472,538.40

Finding the Fourth Proportional to 874,946.40, 1,207,425.75 and 472,538.40

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Solution

The fourth proportional to 874,946.40, 1,207,425.75 and 472,538.40 is: 652,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,946.40 : 1,207,425.75 = 472,538.40 : x
  2. Step 2: Convert to fraction form
    874,946.40/1,207,425.75 = 472,538.40/x
  3. Step 3: Cross multiply
    874,946.40x = 1,207,425.75 × 472,538.40
  4. Step 4: Simplify right side
    874,946.40x = 570,555,032,023.80
  5. Step 5: Solve for x
    x = 570,555,032,023.80/874,946.40
  6. Step 6: Final answer
    x = 652,102.84

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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.