Home / 771,557.52-1,064,712.33-427,370.21

Finding the Fourth Proportional to 771,557.52, 1,064,712.33 and 427,370.21

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Solution

The fourth proportional to 771,557.52, 1,064,712.33 and 427,370.21 is: 589,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,557.52 : 1,064,712.33 = 427,370.21 : x
  2. Step 2: Convert to fraction form
    771,557.52/1,064,712.33 = 427,370.21/x
  3. Step 3: Cross multiply
    771,557.52x = 1,064,712.33 × 427,370.21
  4. Step 4: Simplify right side
    771,557.52x = 455,026,326,738.13
  5. Step 5: Solve for x
    x = 455,026,326,738.13/771,557.52
  6. Step 6: Final answer
    x = 589,750.36

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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.