Home / 771,802.40-1,157,703.60-210,836.90

Finding the Fourth Proportional to 771,802.40, 1,157,703.60 and 210,836.90

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Solution

The fourth proportional to 771,802.40, 1,157,703.60 and 210,836.90 is: 316,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,802.40 : 1,157,703.60 = 210,836.90 : x
  2. Step 2: Convert to fraction form
    771,802.40/1,157,703.60 = 210,836.90/x
  3. Step 3: Cross multiply
    771,802.40x = 1,157,703.60 × 210,836.90
  4. Step 4: Simplify right side
    771,802.40x = 244,086,638,142.84
  5. Step 5: Solve for x
    x = 244,086,638,142.84/771,802.40
  6. Step 6: Final answer
    x = 316,255.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.