Home / 637,742.74-956,749.02-211,254.40

Finding the Fourth Proportional to 637,742.74, 956,749.02 and 211,254.40

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Solution

The fourth proportional to 637,742.74, 956,749.02 and 211,254.40 is: 316,926.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,742.74 : 956,749.02 = 211,254.40 : x
  2. Step 2: Convert to fraction form
    637,742.74/956,749.02 = 211,254.40/x
  3. Step 3: Cross multiply
    637,742.74x = 956,749.02 × 211,254.40
  4. Step 4: Simplify right side
    637,742.74x = 202,117,440,170.69
  5. Step 5: Solve for x
    x = 202,117,440,170.69/637,742.74
  6. Step 6: Final answer
    x = 316,926.29

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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.