Home / 905,639.67-1,358,623.51-372,870.07

Finding the Fourth Proportional to 905,639.67, 1,358,623.51 and 372,870.07

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Solution

The fourth proportional to 905,639.67, 1,358,623.51 and 372,870.07 is: 559,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,639.67 : 1,358,623.51 = 372,870.07 : x
  2. Step 2: Convert to fraction form
    905,639.67/1,358,623.51 = 372,870.07/x
  3. Step 3: Cross multiply
    905,639.67x = 1,358,623.51 × 372,870.07
  4. Step 4: Simplify right side
    905,639.67x = 506,590,038,948.61
  5. Step 5: Solve for x
    x = 506,590,038,948.61/905,639.67
  6. Step 6: Final answer
    x = 559,372.62

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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.