Home / 743,938.42-1,026,823.34-457,714.80

Finding the Fourth Proportional to 743,938.42, 1,026,823.34 and 457,714.80

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Solution

The fourth proportional to 743,938.42, 1,026,823.34 and 457,714.80 is: 631,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,938.42 : 1,026,823.34 = 457,714.80 : x
  2. Step 2: Convert to fraction form
    743,938.42/1,026,823.34 = 457,714.80/x
  3. Step 3: Cross multiply
    743,938.42x = 1,026,823.34 × 457,714.80
  4. Step 4: Simplify right side
    743,938.42x = 469,992,239,703.43
  5. Step 5: Solve for x
    x = 469,992,239,703.43/743,938.42
  6. Step 6: Final answer
    x = 631,762.29

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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.