Home / 985,582.96-1,360,102.58-555,861.76

Finding the Fourth Proportional to 985,582.96, 1,360,102.58 and 555,861.76

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Solution

The fourth proportional to 985,582.96, 1,360,102.58 and 555,861.76 is: 767,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,582.96 : 1,360,102.58 = 555,861.76 : x
  2. Step 2: Convert to fraction form
    985,582.96/1,360,102.58 = 555,861.76/x
  3. Step 3: Cross multiply
    985,582.96x = 1,360,102.58 × 555,861.76
  4. Step 4: Simplify right side
    985,582.96x = 756,029,007,098.83
  5. Step 5: Solve for x
    x = 756,029,007,098.83/985,582.96
  6. Step 6: Final answer
    x = 767,088.15

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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.