Home / 731,320.17-1,009,409.63-445,041.87

Finding the Fourth Proportional to 731,320.17, 1,009,409.63 and 445,041.87

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Solution

The fourth proportional to 731,320.17, 1,009,409.63 and 445,041.87 is: 614,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,320.17 : 1,009,409.63 = 445,041.87 : x
  2. Step 2: Convert to fraction form
    731,320.17/1,009,409.63 = 445,041.87/x
  3. Step 3: Cross multiply
    731,320.17x = 1,009,409.63 × 445,041.87
  4. Step 4: Simplify right side
    731,320.17x = 449,229,547,106.00
  5. Step 5: Solve for x
    x = 449,229,547,106.00/731,320.17
  6. Step 6: Final answer
    x = 614,272.06

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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.