Home / 761,636.92-1,050,818.78-439,303.80

Finding the Fourth Proportional to 761,636.92, 1,050,818.78 and 439,303.80

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Solution

The fourth proportional to 761,636.92, 1,050,818.78 and 439,303.80 is: 606,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,636.92 : 1,050,818.78 = 439,303.80 : x
  2. Step 2: Convert to fraction form
    761,636.92/1,050,818.78 = 439,303.80/x
  3. Step 3: Cross multiply
    761,636.92x = 1,050,818.78 × 439,303.80
  4. Step 4: Simplify right side
    761,636.92x = 461,628,683,165.36
  5. Step 5: Solve for x
    x = 461,628,683,165.36/761,636.92
  6. Step 6: Final answer
    x = 606,100.72

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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.