Home / 790,017.03-1,090,215.75-427,432.93

Finding the Fourth Proportional to 790,017.03, 1,090,215.75 and 427,432.93

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Solution

The fourth proportional to 790,017.03, 1,090,215.75 and 427,432.93 is: 589,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,017.03 : 1,090,215.75 = 427,432.93 : x
  2. Step 2: Convert to fraction form
    790,017.03/1,090,215.75 = 427,432.93/x
  3. Step 3: Cross multiply
    790,017.03x = 1,090,215.75 × 427,432.93
  4. Step 4: Simplify right side
    790,017.03x = 465,994,110,691.75
  5. Step 5: Solve for x
    x = 465,994,110,691.75/790,017.03
  6. Step 6: Final answer
    x = 589,853.25

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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.