Home / 993,017.95-1,488,360.52-459,411.82

Finding the Fourth Proportional to 993,017.95, 1,488,360.52 and 459,411.82

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Solution

The fourth proportional to 993,017.95, 1,488,360.52 and 459,411.82 is: 688,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,017.95 : 1,488,360.52 = 459,411.82 : x
  2. Step 2: Convert to fraction form
    993,017.95/1,488,360.52 = 459,411.82/x
  3. Step 3: Cross multiply
    993,017.95x = 1,488,360.52 × 459,411.82
  4. Step 4: Simplify right side
    993,017.95x = 683,770,415,309.35
  5. Step 5: Solve for x
    x = 683,770,415,309.35/993,017.95
  6. Step 6: Final answer
    x = 688,578.10

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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.