Home / 753,088.23-1,039,001.95-481,315.20

Finding the Fourth Proportional to 753,088.23, 1,039,001.95 and 481,315.20

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Solution

The fourth proportional to 753,088.23, 1,039,001.95 and 481,315.20 is: 664,048.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,088.23 : 1,039,001.95 = 481,315.20 : x
  2. Step 2: Convert to fraction form
    753,088.23/1,039,001.95 = 481,315.20/x
  3. Step 3: Cross multiply
    753,088.23x = 1,039,001.95 × 481,315.20
  4. Step 4: Simplify right side
    753,088.23x = 500,087,431,364.64
  5. Step 5: Solve for x
    x = 500,087,431,364.64/753,088.23
  6. Step 6: Final answer
    x = 664,048.93

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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.