Home / 689,569.20-1,032,434.10-351,880.20

Finding the Fourth Proportional to 689,569.20, 1,032,434.10 and 351,880.20

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Solution

The fourth proportional to 689,569.20, 1,032,434.10 and 351,880.20 is: 526,840.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,569.20 : 1,032,434.10 = 351,880.20 : x
  2. Step 2: Convert to fraction form
    689,569.20/1,032,434.10 = 351,880.20/x
  3. Step 3: Cross multiply
    689,569.20x = 1,032,434.10 × 351,880.20
  4. Step 4: Simplify right side
    689,569.20x = 363,293,117,594.82
  5. Step 5: Solve for x
    x = 363,293,117,594.82/689,569.20
  6. Step 6: Final answer
    x = 526,840.70

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1.5x scale

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.