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Finding the Fourth Proportional to 893,841.40, 1,339,595.70 and 360,926.20

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Solution

The fourth proportional to 893,841.40, 1,339,595.70 and 360,926.20 is: 540,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,841.40 : 1,339,595.70 = 360,926.20 : x
  2. Step 2: Convert to fraction form
    893,841.40/1,339,595.70 = 360,926.20/x
  3. Step 3: Cross multiply
    893,841.40x = 1,339,595.70 × 360,926.20
  4. Step 4: Simplify right side
    893,841.40x = 483,495,185,537.34
  5. Step 5: Solve for x
    x = 483,495,185,537.34/893,841.40
  6. Step 6: Final answer
    x = 540,918.32

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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.