Home / 673,649.16-929,569.68-371,823.72

Finding the Fourth Proportional to 673,649.16, 929,569.68 and 371,823.72

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Solution

The fourth proportional to 673,649.16, 929,569.68 and 371,823.72 is: 513,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,649.16 : 929,569.68 = 371,823.72 : x
  2. Step 2: Convert to fraction form
    673,649.16/929,569.68 = 371,823.72/x
  3. Step 3: Cross multiply
    673,649.16x = 929,569.68 × 371,823.72
  4. Step 4: Simplify right side
    673,649.16x = 345,636,056,416.81
  5. Step 5: Solve for x
    x = 345,636,056,416.81/673,649.16
  6. Step 6: Final answer
    x = 513,080.22

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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.