Home / 908,760.51-1,254,073.20-495,301.01

Finding the Fourth Proportional to 908,760.51, 1,254,073.20 and 495,301.01

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Solution

The fourth proportional to 908,760.51, 1,254,073.20 and 495,301.01 is: 683,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,760.51 : 1,254,073.20 = 495,301.01 : x
  2. Step 2: Convert to fraction form
    908,760.51/1,254,073.20 = 495,301.01/x
  3. Step 3: Cross multiply
    908,760.51x = 1,254,073.20 × 495,301.01
  4. Step 4: Simplify right side
    908,760.51x = 621,143,716,303.57
  5. Step 5: Solve for x
    x = 621,143,716,303.57/908,760.51
  6. Step 6: Final answer
    x = 683,506.50

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Double scale
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Similar ratio
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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.