Home / 989,848.70-1,484,821.65-517,456.70

Finding the Fourth Proportional to 989,848.70, 1,484,821.65 and 517,456.70

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Solution

The fourth proportional to 989,848.70, 1,484,821.65 and 517,456.70 is: 776,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,848.70 : 1,484,821.65 = 517,456.70 : x
  2. Step 2: Convert to fraction form
    989,848.70/1,484,821.65 = 517,456.70/x
  3. Step 3: Cross multiply
    989,848.70x = 1,484,821.65 × 517,456.70
  4. Step 4: Simplify right side
    989,848.70x = 768,330,911,097.56
  5. Step 5: Solve for x
    x = 768,330,911,097.56/989,848.70
  6. Step 6: Final answer
    x = 776,210.46

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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.