Home / 691,883.37-1,038,124.79-371,661.62

Finding the Fourth Proportional to 691,883.37, 1,038,124.79 and 371,661.62

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Solution

The fourth proportional to 691,883.37, 1,038,124.79 and 371,661.62 is: 557,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,883.37 : 1,038,124.79 = 371,661.62 : x
  2. Step 2: Convert to fraction form
    691,883.37/1,038,124.79 = 371,661.62/x
  3. Step 3: Cross multiply
    691,883.37x = 1,038,124.79 × 371,661.62
  4. Step 4: Simplify right side
    691,883.37x = 385,831,139,547.40
  5. Step 5: Solve for x
    x = 385,831,139,547.40/691,883.37
  6. Step 6: Final answer
    x = 557,653.44

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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.