Home / 989,441.94-1,365,430.36-559,712.94

Finding the Fourth Proportional to 989,441.94, 1,365,430.36 and 559,712.94

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Solution

The fourth proportional to 989,441.94, 1,365,430.36 and 559,712.94 is: 772,404.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,441.94 : 1,365,430.36 = 559,712.94 : x
  2. Step 2: Convert to fraction form
    989,441.94/1,365,430.36 = 559,712.94/x
  3. Step 3: Cross multiply
    989,441.94x = 1,365,430.36 × 559,712.94
  4. Step 4: Simplify right side
    989,441.94x = 764,249,041,160.86
  5. Step 5: Solve for x
    x = 764,249,041,160.86/989,441.94
  6. Step 6: Final answer
    x = 772,404.13

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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.