Home / 824,627.04-1,138,678.80-620,323.84

Finding the Fourth Proportional to 824,627.04, 1,138,678.80 and 620,323.84

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Solution

The fourth proportional to 824,627.04, 1,138,678.80 and 620,323.84 is: 856,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,627.04 : 1,138,678.80 = 620,323.84 : x
  2. Step 2: Convert to fraction form
    824,627.04/1,138,678.80 = 620,323.84/x
  3. Step 3: Cross multiply
    824,627.04x = 1,138,678.80 × 620,323.84
  4. Step 4: Simplify right side
    824,627.04x = 706,349,605,742.59
  5. Step 5: Solve for x
    x = 706,349,605,742.59/824,627.04
  6. Step 6: Final answer
    x = 856,568.57

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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.