Home / 870,216.58-1,200,835.02-483,054.40

Finding the Fourth Proportional to 870,216.58, 1,200,835.02 and 483,054.40

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Solution

The fourth proportional to 870,216.58, 1,200,835.02 and 483,054.40 is: 666,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,216.58 : 1,200,835.02 = 483,054.40 : x
  2. Step 2: Convert to fraction form
    870,216.58/1,200,835.02 = 483,054.40/x
  3. Step 3: Cross multiply
    870,216.58x = 1,200,835.02 × 483,054.40
  4. Step 4: Simplify right side
    870,216.58x = 580,068,640,085.09
  5. Step 5: Solve for x
    x = 580,068,640,085.09/870,216.58
  6. Step 6: Final answer
    x = 666,579.62

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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.