Home / 961,827.30-1,440,772.65-488,779.20

Finding the Fourth Proportional to 961,827.30, 1,440,772.65 and 488,779.20

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Solution

The fourth proportional to 961,827.30, 1,440,772.65 and 488,779.20 is: 732,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,827.30 : 1,440,772.65 = 488,779.20 : x
  2. Step 2: Convert to fraction form
    961,827.30/1,440,772.65 = 488,779.20/x
  3. Step 3: Cross multiply
    961,827.30x = 1,440,772.65 × 488,779.20
  4. Step 4: Simplify right side
    961,827.30x = 704,219,703,248.88
  5. Step 5: Solve for x
    x = 704,219,703,248.88/961,827.30
  6. Step 6: Final answer
    x = 732,168.55

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Double scale
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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.