Home / 1,031,628.90-1,547,664.48-311,909.07

Finding the Fourth Proportional to 1,031,628.90, 1,547,664.48 and 311,909.07

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Solution

The fourth proportional to 1,031,628.90, 1,547,664.48 and 311,909.07 is: 467,930.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,628.90 : 1,547,664.48 = 311,909.07 : x
  2. Step 2: Convert to fraction form
    1,031,628.90/1,547,664.48 = 311,909.07/x
  3. Step 3: Cross multiply
    1,031,628.90x = 1,547,664.48 × 311,909.07
  4. Step 4: Simplify right side
    1,031,628.90x = 482,730,588,628.83
  5. Step 5: Solve for x
    x = 482,730,588,628.83/1,031,628.90
  6. Step 6: Final answer
    x = 467,930.46

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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.