Home / 907,587.40-1,361,510.70-308,576.20

Finding the Fourth Proportional to 907,587.40, 1,361,510.70 and 308,576.20

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Solution

The fourth proportional to 907,587.40, 1,361,510.70 and 308,576.20 is: 462,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,587.40 : 1,361,510.70 = 308,576.20 : x
  2. Step 2: Convert to fraction form
    907,587.40/1,361,510.70 = 308,576.20/x
  3. Step 3: Cross multiply
    907,587.40x = 1,361,510.70 × 308,576.20
  4. Step 4: Simplify right side
    907,587.40x = 420,129,798,065.34
  5. Step 5: Solve for x
    x = 420,129,798,065.34/907,587.40
  6. Step 6: Final answer
    x = 462,908.36

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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.