Home / 966,310.08-1,333,703.76-558,429.12

Finding the Fourth Proportional to 966,310.08, 1,333,703.76 and 558,429.12

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Solution

The fourth proportional to 966,310.08, 1,333,703.76 and 558,429.12 is: 770,745.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,310.08 : 1,333,703.76 = 558,429.12 : x
  2. Step 2: Convert to fraction form
    966,310.08/1,333,703.76 = 558,429.12/x
  3. Step 3: Cross multiply
    966,310.08x = 1,333,703.76 × 558,429.12
  4. Step 4: Simplify right side
    966,310.08x = 744,779,017,037.49
  5. Step 5: Solve for x
    x = 744,779,017,037.49/966,310.08
  6. Step 6: Final answer
    x = 770,745.37

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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.