Home / 895,406.40-1,343,109.60-264,319.20

Finding the Fourth Proportional to 895,406.40, 1,343,109.60 and 264,319.20

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Solution

The fourth proportional to 895,406.40, 1,343,109.60 and 264,319.20 is: 396,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,406.40 : 1,343,109.60 = 264,319.20 : x
  2. Step 2: Convert to fraction form
    895,406.40/1,343,109.60 = 264,319.20/x
  3. Step 3: Cross multiply
    895,406.40x = 1,343,109.60 × 264,319.20
  4. Step 4: Simplify right side
    895,406.40x = 355,009,654,984.32
  5. Step 5: Solve for x
    x = 355,009,654,984.32/895,406.40
  6. Step 6: Final answer
    x = 396,478.80

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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.