Home / 970,669.70-1,339,528.66-563,012.90

Finding the Fourth Proportional to 970,669.70, 1,339,528.66 and 563,012.90

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Solution

The fourth proportional to 970,669.70, 1,339,528.66 and 563,012.90 is: 776,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,669.70 : 1,339,528.66 = 563,012.90 : x
  2. Step 2: Convert to fraction form
    970,669.70/1,339,528.66 = 563,012.90/x
  3. Step 3: Cross multiply
    970,669.70x = 1,339,528.66 × 563,012.90
  4. Step 4: Simplify right side
    970,669.70x = 754,171,915,499.71
  5. Step 5: Solve for x
    x = 754,171,915,499.71/970,669.70
  6. Step 6: Final answer
    x = 776,960.40

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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.