Home / 755,031.98-1,041,966.05-410,890.12

Finding the Fourth Proportional to 755,031.98, 1,041,966.05 and 410,890.12

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Solution

The fourth proportional to 755,031.98, 1,041,966.05 and 410,890.12 is: 567,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,031.98 : 1,041,966.05 = 410,890.12 : x
  2. Step 2: Convert to fraction form
    755,031.98/1,041,966.05 = 410,890.12/x
  3. Step 3: Cross multiply
    755,031.98x = 1,041,966.05 × 410,890.12
  4. Step 4: Simplify right side
    755,031.98x = 428,133,550,661.06
  5. Step 5: Solve for x
    x = 428,133,550,661.06/755,031.98
  6. Step 6: Final answer
    x = 567,040.29

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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.