Home / 838,779.35-1,157,548.26-476,236.94

Finding the Fourth Proportional to 838,779.35, 1,157,548.26 and 476,236.94

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Solution

The fourth proportional to 838,779.35, 1,157,548.26 and 476,236.94 is: 657,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,779.35 : 1,157,548.26 = 476,236.94 : x
  2. Step 2: Convert to fraction form
    838,779.35/1,157,548.26 = 476,236.94/x
  3. Step 3: Cross multiply
    838,779.35x = 1,157,548.26 × 476,236.94
  4. Step 4: Simplify right side
    838,779.35x = 551,267,239,159.06
  5. Step 5: Solve for x
    x = 551,267,239,159.06/838,779.35
  6. Step 6: Final answer
    x = 657,225.58

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Double scale
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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.