Home / 729,543.40-1,018,998.80-729,543.40

Finding the Fourth Proportional to 729,543.40, 1,018,998.80 and 729,543.40

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Solution

The fourth proportional to 729,543.40, 1,018,998.80 and 729,543.40 is: 1,018,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,543.40 : 1,018,998.80 = 729,543.40 : x
  2. Step 2: Convert to fraction form
    729,543.40/1,018,998.80 = 729,543.40/x
  3. Step 3: Cross multiply
    729,543.40x = 1,018,998.80 × 729,543.40
  4. Step 4: Simplify right side
    729,543.40x = 743,403,849,147.92
  5. Step 5: Solve for x
    x = 743,403,849,147.92/729,543.40
  6. Step 6: Final answer
    x = 1,018,998.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.