Home / 903,415.40-1,355,123.10-238,567.40

Finding the Fourth Proportional to 903,415.40, 1,355,123.10 and 238,567.40

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Solution

The fourth proportional to 903,415.40, 1,355,123.10 and 238,567.40 is: 357,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,415.40 : 1,355,123.10 = 238,567.40 : x
  2. Step 2: Convert to fraction form
    903,415.40/1,355,123.10 = 238,567.40/x
  3. Step 3: Cross multiply
    903,415.40x = 1,355,123.10 × 238,567.40
  4. Step 4: Simplify right side
    903,415.40x = 323,288,194,646.94
  5. Step 5: Solve for x
    x = 323,288,194,646.94/903,415.40
  6. Step 6: Final answer
    x = 357,851.10

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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.