Home / 870,563.69-1,201,854.59-609,321.07

Finding the Fourth Proportional to 870,563.69, 1,201,854.59 and 609,321.07

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Solution

The fourth proportional to 870,563.69, 1,201,854.59 and 609,321.07 is: 841,196.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,563.69 : 1,201,854.59 = 609,321.07 : x
  2. Step 2: Convert to fraction form
    870,563.69/1,201,854.59 = 609,321.07/x
  3. Step 3: Cross multiply
    870,563.69x = 1,201,854.59 × 609,321.07
  4. Step 4: Simplify right side
    870,563.69x = 732,315,324,763.21
  5. Step 5: Solve for x
    x = 732,315,324,763.21/870,563.69
  6. Step 6: Final answer
    x = 841,196.72

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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.