Home / 939,521.40-1,409,030.56-265,444.26

Finding the Fourth Proportional to 939,521.40, 1,409,030.56 and 265,444.26

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Solution

The fourth proportional to 939,521.40, 1,409,030.56 and 265,444.26 is: 398,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,521.40 : 1,409,030.56 = 265,444.26 : x
  2. Step 2: Convert to fraction form
    939,521.40/1,409,030.56 = 265,444.26/x
  3. Step 3: Cross multiply
    939,521.40x = 1,409,030.56 × 265,444.26
  4. Step 4: Simplify right side
    939,521.40x = 374,019,074,316.59
  5. Step 5: Solve for x
    x = 374,019,074,316.59/939,521.40
  6. Step 6: Final answer
    x = 398,095.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.