Home / 903,566.16-1,355,395.32-342,647.12

Finding the Fourth Proportional to 903,566.16, 1,355,395.32 and 342,647.12

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Solution

The fourth proportional to 903,566.16, 1,355,395.32 and 342,647.12 is: 513,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,566.16 : 1,355,395.32 = 342,647.12 : x
  2. Step 2: Convert to fraction form
    903,566.16/1,355,395.32 = 342,647.12/x
  3. Step 3: Cross multiply
    903,566.16x = 1,355,395.32 × 342,647.12
  4. Step 4: Simplify right side
    903,566.16x = 464,422,302,859.48
  5. Step 5: Solve for x
    x = 464,422,302,859.48/903,566.16
  6. Step 6: Final answer
    x = 513,988.15

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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.