Home / 870,254.92-1,201,004.72-579,364.48

Finding the Fourth Proportional to 870,254.92, 1,201,004.72 and 579,364.48

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Solution

The fourth proportional to 870,254.92, 1,201,004.72 and 579,364.48 is: 799,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,254.92 : 1,201,004.72 = 579,364.48 : x
  2. Step 2: Convert to fraction form
    870,254.92/1,201,004.72 = 579,364.48/x
  3. Step 3: Cross multiply
    870,254.92x = 1,201,004.72 × 579,364.48
  4. Step 4: Simplify right side
    870,254.92x = 695,819,475,080.35
  5. Step 5: Solve for x
    x = 695,819,475,080.35/870,254.92
  6. Step 6: Final answer
    x = 799,558.22

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1.5x scale

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.