Home / 810,923.46-1,119,054.65-448,337.98

Finding the Fourth Proportional to 810,923.46, 1,119,054.65 and 448,337.98

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Solution

The fourth proportional to 810,923.46, 1,119,054.65 and 448,337.98 is: 618,695.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,923.46 : 1,119,054.65 = 448,337.98 : x
  2. Step 2: Convert to fraction form
    810,923.46/1,119,054.65 = 448,337.98/x
  3. Step 3: Cross multiply
    810,923.46x = 1,119,054.65 × 448,337.98
  4. Step 4: Simplify right side
    810,923.46x = 501,714,701,290.61
  5. Step 5: Solve for x
    x = 501,714,701,290.61/810,923.46
  6. Step 6: Final answer
    x = 618,695.51

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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.