Home / 895,386.40-1,343,132.04-255,640.90

Finding the Fourth Proportional to 895,386.40, 1,343,132.04 and 255,640.90

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Solution

The fourth proportional to 895,386.40, 1,343,132.04 and 255,640.90 is: 383,476.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,386.40 : 1,343,132.04 = 255,640.90 : x
  2. Step 2: Convert to fraction form
    895,386.40/1,343,132.04 = 255,640.90/x
  3. Step 3: Cross multiply
    895,386.40x = 1,343,132.04 × 255,640.90
  4. Step 4: Simplify right side
    895,386.40x = 343,359,483,524.44
  5. Step 5: Solve for x
    x = 343,359,483,524.44/895,386.40
  6. Step 6: Final answer
    x = 383,476.32

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Double scale
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1.5x scale

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.