Home / 749,890.40-1,124,835.60-251,254.40

Finding the Fourth Proportional to 749,890.40, 1,124,835.60 and 251,254.40

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Solution

The fourth proportional to 749,890.40, 1,124,835.60 and 251,254.40 is: 376,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,890.40 : 1,124,835.60 = 251,254.40 : x
  2. Step 2: Convert to fraction form
    749,890.40/1,124,835.60 = 251,254.40/x
  3. Step 3: Cross multiply
    749,890.40x = 1,124,835.60 × 251,254.40
  4. Step 4: Simplify right side
    749,890.40x = 282,619,893,776.64
  5. Step 5: Solve for x
    x = 282,619,893,776.64/749,890.40
  6. Step 6: Final answer
    x = 376,881.60

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Double scale
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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.