Home / 989,818.70-1,484,776.65-517,426.70

Finding the Fourth Proportional to 989,818.70, 1,484,776.65 and 517,426.70

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Solution

The fourth proportional to 989,818.70, 1,484,776.65 and 517,426.70 is: 776,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,818.70 : 1,484,776.65 = 517,426.70 : x
  2. Step 2: Convert to fraction form
    989,818.70/1,484,776.65 = 517,426.70/x
  3. Step 3: Cross multiply
    989,818.70x = 1,484,776.65 × 517,426.70
  4. Step 4: Simplify right side
    989,818.70x = 768,263,082,246.56
  5. Step 5: Solve for x
    x = 768,263,082,246.56/989,818.70
  6. Step 6: Final answer
    x = 776,165.46

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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.