Home / 767,721.16-1,059,666.06-445,535.02

Finding the Fourth Proportional to 767,721.16, 1,059,666.06 and 445,535.02

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Solution

The fourth proportional to 767,721.16, 1,059,666.06 and 445,535.02 is: 614,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,721.16 : 1,059,666.06 = 445,535.02 : x
  2. Step 2: Convert to fraction form
    767,721.16/1,059,666.06 = 445,535.02/x
  3. Step 3: Cross multiply
    767,721.16x = 1,059,666.06 × 445,535.02
  4. Step 4: Simplify right side
    767,721.16x = 472,118,339,235.42
  5. Step 5: Solve for x
    x = 472,118,339,235.42/767,721.16
  6. Step 6: Final answer
    x = 614,960.70

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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.