Home / 890,416.99-1,334,224.59-688,506.27

Finding the Fourth Proportional to 890,416.99, 1,334,224.59 and 688,506.27

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Solution

The fourth proportional to 890,416.99, 1,334,224.59 and 688,506.27 is: 1,031,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,416.99 : 1,334,224.59 = 688,506.27 : x
  2. Step 2: Convert to fraction form
    890,416.99/1,334,224.59 = 688,506.27/x
  3. Step 3: Cross multiply
    890,416.99x = 1,334,224.59 × 688,506.27
  4. Step 4: Simplify right side
    890,416.99x = 918,621,995,803.18
  5. Step 5: Solve for x
    x = 918,621,995,803.18/890,416.99
  6. Step 6: Final answer
    x = 1,031,676.18

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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.