Home / 955,430.32-1,432,914.60-281,328.16

Finding the Fourth Proportional to 955,430.32, 1,432,914.60 and 281,328.16

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Solution

The fourth proportional to 955,430.32, 1,432,914.60 and 281,328.16 is: 421,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,430.32 : 1,432,914.60 = 281,328.16 : x
  2. Step 2: Convert to fraction form
    955,430.32/1,432,914.60 = 281,328.16/x
  3. Step 3: Cross multiply
    955,430.32x = 1,432,914.60 × 281,328.16
  4. Step 4: Simplify right side
    955,430.32x = 403,119,227,855.14
  5. Step 5: Solve for x
    x = 403,119,227,855.14/955,430.32
  6. Step 6: Final answer
    x = 421,924.26

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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.