Home / 743,886.72-1,026,675.90-453,666.66

Finding the Fourth Proportional to 743,886.72, 1,026,675.90 and 453,666.66

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Solution

The fourth proportional to 743,886.72, 1,026,675.90 and 453,666.66 is: 626,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,886.72 : 1,026,675.90 = 453,666.66 : x
  2. Step 2: Convert to fraction form
    743,886.72/1,026,675.90 = 453,666.66/x
  3. Step 3: Cross multiply
    743,886.72x = 1,026,675.90 × 453,666.66
  4. Step 4: Simplify right side
    743,886.72x = 465,768,626,455.49
  5. Step 5: Solve for x
    x = 465,768,626,455.49/743,886.72
  6. Step 6: Final answer
    x = 626,128.43

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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.