Home / 673,829.19-929,886.23-367,908.21

Finding the Fourth Proportional to 673,829.19, 929,886.23 and 367,908.21

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Solution

The fourth proportional to 673,829.19, 929,886.23 and 367,908.21 is: 507,714.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,829.19 : 929,886.23 = 367,908.21 : x
  2. Step 2: Convert to fraction form
    673,829.19/929,886.23 = 367,908.21/x
  3. Step 3: Cross multiply
    673,829.19x = 929,886.23 × 367,908.21
  4. Step 4: Simplify right side
    673,829.19x = 342,112,776,543.41
  5. Step 5: Solve for x
    x = 342,112,776,543.41/673,829.19
  6. Step 6: Final answer
    x = 507,714.39

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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.