Home / 870,165.96-1,200,901.37-483,017.76

Finding the Fourth Proportional to 870,165.96, 1,200,901.37 and 483,017.76

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Solution

The fourth proportional to 870,165.96, 1,200,901.37 and 483,017.76 is: 666,604.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,165.96 : 1,200,901.37 = 483,017.76 : x
  2. Step 2: Convert to fraction form
    870,165.96/1,200,901.37 = 483,017.76/x
  3. Step 3: Cross multiply
    870,165.96x = 1,200,901.37 × 483,017.76
  4. Step 4: Simplify right side
    870,165.96x = 580,056,687,303.24
  5. Step 5: Solve for x
    x = 580,056,687,303.24/870,165.96
  6. Step 6: Final answer
    x = 666,604.66

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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.