Home / 865,271.10-1,194,066.93-478,085.28

Finding the Fourth Proportional to 865,271.10, 1,194,066.93 and 478,085.28

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Solution

The fourth proportional to 865,271.10, 1,194,066.93 and 478,085.28 is: 659,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,271.10 : 1,194,066.93 = 478,085.28 : x
  2. Step 2: Convert to fraction form
    865,271.10/1,194,066.93 = 478,085.28/x
  3. Step 3: Cross multiply
    865,271.10x = 1,194,066.93 × 478,085.28
  4. Step 4: Simplify right side
    865,271.10x = 570,865,822,567.79
  5. Step 5: Solve for x
    x = 570,865,822,567.79/865,271.10
  6. Step 6: Final answer
    x = 659,753.71

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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.