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Finding the Fourth Proportional to 677,453.04, 934,886.40 and 371,531.52

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Solution

The fourth proportional to 677,453.04, 934,886.40 and 371,531.52 is: 512,714.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,453.04 : 934,886.40 = 371,531.52 : x
  2. Step 2: Convert to fraction form
    677,453.04/934,886.40 = 371,531.52/x
  3. Step 3: Cross multiply
    677,453.04x = 934,886.40 × 371,531.52
  4. Step 4: Simplify right side
    677,453.04x = 347,339,765,219.33
  5. Step 5: Solve for x
    x = 347,339,765,219.33/677,453.04
  6. Step 6: Final answer
    x = 512,714.16

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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.