Home / 854,223.12-1,178,852.67-472,274.64

Finding the Fourth Proportional to 854,223.12, 1,178,852.67 and 472,274.64

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Solution

The fourth proportional to 854,223.12, 1,178,852.67 and 472,274.64 is: 651,752.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,223.12 : 1,178,852.67 = 472,274.64 : x
  2. Step 2: Convert to fraction form
    854,223.12/1,178,852.67 = 472,274.64/x
  3. Step 3: Cross multiply
    854,223.12x = 1,178,852.67 × 472,274.64
  4. Step 4: Simplify right side
    854,223.12x = 556,742,220,337.29
  5. Step 5: Solve for x
    x = 556,742,220,337.29/854,223.12
  6. Step 6: Final answer
    x = 651,752.69

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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.