Home / 753,148.23-1,039,341.13-408,981.39

Finding the Fourth Proportional to 753,148.23, 1,039,341.13 and 408,981.39

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Solution

The fourth proportional to 753,148.23, 1,039,341.13 and 408,981.39 is: 564,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,148.23 : 1,039,341.13 = 408,981.39 : x
  2. Step 2: Convert to fraction form
    753,148.23/1,039,341.13 = 408,981.39/x
  3. Step 3: Cross multiply
    753,148.23x = 1,039,341.13 × 408,981.39
  4. Step 4: Simplify right side
    753,148.23x = 425,071,180,031.57
  5. Step 5: Solve for x
    x = 425,071,180,031.57/753,148.23
  6. Step 6: Final answer
    x = 564,392.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.