Home / 677,445.07-934,875.52-371,523.61

Finding the Fourth Proportional to 677,445.07, 934,875.52 and 371,523.61

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Solution

The fourth proportional to 677,445.07, 934,875.52 and 371,523.61 is: 512,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,445.07 : 934,875.52 = 371,523.61 : x
  2. Step 2: Convert to fraction form
    677,445.07/934,875.52 = 371,523.61/x
  3. Step 3: Cross multiply
    677,445.07x = 934,875.52 × 371,523.61
  4. Step 4: Simplify right side
    677,445.07x = 347,328,323,416.65
  5. Step 5: Solve for x
    x = 347,328,323,416.65/677,445.07
  6. Step 6: Final answer
    x = 512,703.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.