Home / 786,664.69-1,085,681.21-460,077.55

Finding the Fourth Proportional to 786,664.69, 1,085,681.21 and 460,077.55

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Solution

The fourth proportional to 786,664.69, 1,085,681.21 and 460,077.55 is: 634,956.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,664.69 : 1,085,681.21 = 460,077.55 : x
  2. Step 2: Convert to fraction form
    786,664.69/1,085,681.21 = 460,077.55/x
  3. Step 3: Cross multiply
    786,664.69x = 1,085,681.21 × 460,077.55
  4. Step 4: Simplify right side
    786,664.69x = 499,497,543,449.04
  5. Step 5: Solve for x
    x = 499,497,543,449.04/786,664.69
  6. Step 6: Final answer
    x = 634,956.10

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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.