Home / 674,055.18-930,158.09-368,070.66

Finding the Fourth Proportional to 674,055.18, 930,158.09 and 368,070.66

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Solution

The fourth proportional to 674,055.18, 930,158.09 and 368,070.66 is: 507,916.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,055.18 : 930,158.09 = 368,070.66 : x
  2. Step 2: Convert to fraction form
    674,055.18/930,158.09 = 368,070.66/x
  3. Step 3: Cross multiply
    674,055.18x = 930,158.09 × 368,070.66
  4. Step 4: Simplify right side
    674,055.18x = 342,363,902,090.64
  5. Step 5: Solve for x
    x = 342,363,902,090.64/674,055.18
  6. Step 6: Final answer
    x = 507,916.73

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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.