Home / 755,401.74-1,042,529.70-564,082.98

Finding the Fourth Proportional to 755,401.74, 1,042,529.70 and 564,082.98

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Solution

The fourth proportional to 755,401.74, 1,042,529.70 and 564,082.98 is: 778,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,401.74 : 1,042,529.70 = 564,082.98 : x
  2. Step 2: Convert to fraction form
    755,401.74/1,042,529.70 = 564,082.98/x
  3. Step 3: Cross multiply
    755,401.74x = 1,042,529.70 × 564,082.98
  4. Step 4: Simplify right side
    755,401.74x = 588,073,259,914.51
  5. Step 5: Solve for x
    x = 588,073,259,914.51/755,401.74
  6. Step 6: Final answer
    x = 778,490.74

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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.