Home / 899,080.23-1,240,730.70-496,672.23

Finding the Fourth Proportional to 899,080.23, 1,240,730.70 and 496,672.23

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Solution

The fourth proportional to 899,080.23, 1,240,730.70 and 496,672.23 is: 685,407.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,080.23 : 1,240,730.70 = 496,672.23 : x
  2. Step 2: Convert to fraction form
    899,080.23/1,240,730.70 = 496,672.23/x
  3. Step 3: Cross multiply
    899,080.23x = 1,240,730.70 × 496,672.23
  4. Step 4: Simplify right side
    899,080.23x = 616,236,483,598.46
  5. Step 5: Solve for x
    x = 616,236,483,598.46/899,080.23
  6. Step 6: Final answer
    x = 685,407.67

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Double scale
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1.5x scale

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.