Home / 870,031.29-1,305,563.61-470,663.22

Finding the Fourth Proportional to 870,031.29, 1,305,563.61 and 470,663.22

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Solution

The fourth proportional to 870,031.29, 1,305,563.61 and 470,663.22 is: 706,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,031.29 : 1,305,563.61 = 470,663.22 : x
  2. Step 2: Convert to fraction form
    870,031.29/1,305,563.61 = 470,663.22/x
  3. Step 3: Cross multiply
    870,031.29x = 1,305,563.61 × 470,663.22
  4. Step 4: Simplify right side
    870,031.29x = 614,480,772,597.42
  5. Step 5: Solve for x
    x = 614,480,772,597.42/870,031.29
  6. Step 6: Final answer
    x = 706,274.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.