Home / 710,521.10-1,064,874.45-289,321.10

Finding the Fourth Proportional to 710,521.10, 1,064,874.45 and 289,321.10

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Solution

The fourth proportional to 710,521.10, 1,064,874.45 and 289,321.10 is: 433,612.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,521.10 : 1,064,874.45 = 289,321.10 : x
  2. Step 2: Convert to fraction form
    710,521.10/1,064,874.45 = 289,321.10/x
  3. Step 3: Cross multiply
    710,521.10x = 1,064,874.45 × 289,321.10
  4. Step 4: Simplify right side
    710,521.10x = 308,090,647,235.90
  5. Step 5: Solve for x
    x = 308,090,647,235.90/710,521.10
  6. Step 6: Final answer
    x = 433,612.24

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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.