Home / 739,826.04-1,020,958.38-400,294.20

Finding the Fourth Proportional to 739,826.04, 1,020,958.38 and 400,294.20

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Solution

The fourth proportional to 739,826.04, 1,020,958.38 and 400,294.20 is: 552,405.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,826.04 : 1,020,958.38 = 400,294.20 : x
  2. Step 2: Convert to fraction form
    739,826.04/1,020,958.38 = 400,294.20/x
  3. Step 3: Cross multiply
    739,826.04x = 1,020,958.38 × 400,294.20
  4. Step 4: Simplify right side
    739,826.04x = 408,683,717,955.40
  5. Step 5: Solve for x
    x = 408,683,717,955.40/739,826.04
  6. Step 6: Final answer
    x = 552,405.15

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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.