Home / 696,779.20-1,045,602.44-376,798.20

Finding the Fourth Proportional to 696,779.20, 1,045,602.44 and 376,798.20

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Solution

The fourth proportional to 696,779.20, 1,045,602.44 and 376,798.20 is: 565,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,779.20 : 1,045,602.44 = 376,798.20 : x
  2. Step 2: Convert to fraction form
    696,779.20/1,045,602.44 = 376,798.20/x
  3. Step 3: Cross multiply
    696,779.20x = 1,045,602.44 × 376,798.20
  4. Step 4: Simplify right side
    696,779.20x = 393,981,117,307.61
  5. Step 5: Solve for x
    x = 393,981,117,307.61/696,779.20
  6. Step 6: Final answer
    x = 565,431.80

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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.