Home / 870,967.00-1,201,953.49-478,505.02

Finding the Fourth Proportional to 870,967.00, 1,201,953.49 and 478,505.02

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Solution

The fourth proportional to 870,967.00, 1,201,953.49 and 478,505.02 is: 660,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,967.00 : 1,201,953.49 = 478,505.02 : x
  2. Step 2: Convert to fraction form
    870,967.00/1,201,953.49 = 478,505.02/x
  3. Step 3: Cross multiply
    870,967.00x = 1,201,953.49 × 478,505.02
  4. Step 4: Simplify right side
    870,967.00x = 575,140,772,761.75
  5. Step 5: Solve for x
    x = 575,140,772,761.75/870,967.00
  6. Step 6: Final answer
    x = 660,347.38

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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.