Home / 970,661.16-1,339,516.89-563,004.36

Finding the Fourth Proportional to 970,661.16, 1,339,516.89 and 563,004.36

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Solution

The fourth proportional to 970,661.16, 1,339,516.89 and 563,004.36 is: 776,948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,661.16 : 1,339,516.89 = 563,004.36 : x
  2. Step 2: Convert to fraction form
    970,661.16/1,339,516.89 = 563,004.36/x
  3. Step 3: Cross multiply
    970,661.16x = 1,339,516.89 × 563,004.36
  4. Step 4: Simplify right side
    970,661.16x = 754,153,849,363.64
  5. Step 5: Solve for x
    x = 754,153,849,363.64/970,661.16
  6. Step 6: Final answer
    x = 776,948.62

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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.