Home / 903,242.16-1,355,388.12-342,320.40

Finding the Fourth Proportional to 903,242.16, 1,355,388.12 and 342,320.40

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Solution

The fourth proportional to 903,242.16, 1,355,388.12 and 342,320.40 is: 513,679.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,242.16 : 1,355,388.12 = 342,320.40 : x
  2. Step 2: Convert to fraction form
    903,242.16/1,355,388.12 = 342,320.40/x
  3. Step 3: Cross multiply
    903,242.16x = 1,355,388.12 × 342,320.40
  4. Step 4: Simplify right side
    903,242.16x = 463,977,003,393.65
  5. Step 5: Solve for x
    x = 463,977,003,393.65/903,242.16
  6. Step 6: Final answer
    x = 513,679.52

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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.