Home / 905,090.42-1,357,594.09-265,368.35

Finding the Fourth Proportional to 905,090.42, 1,357,594.09 and 265,368.35

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Solution

The fourth proportional to 905,090.42, 1,357,594.09 and 265,368.35 is: 398,040.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,090.42 : 1,357,594.09 = 265,368.35 : x
  2. Step 2: Convert to fraction form
    905,090.42/1,357,594.09 = 265,368.35/x
  3. Step 3: Cross multiply
    905,090.42x = 1,357,594.09 × 265,368.35
  4. Step 4: Simplify right side
    905,090.42x = 360,262,506,363.62
  5. Step 5: Solve for x
    x = 360,262,506,363.62/905,090.42
  6. Step 6: Final answer
    x = 398,040.35

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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.