Home / 424,985.64-634,369.10-374,541.81

Finding the Fourth Proportional to 424,985.64, 634,369.10 and 374,541.81

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Solution

The fourth proportional to 424,985.64, 634,369.10 and 374,541.81 is: 559,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,985.64 : 634,369.10 = 374,541.81 : x
  2. Step 2: Convert to fraction form
    424,985.64/634,369.10 = 374,541.81/x
  3. Step 3: Cross multiply
    424,985.64x = 634,369.10 × 374,541.81
  4. Step 4: Simplify right side
    424,985.64x = 237,597,748,777.28
  5. Step 5: Solve for x
    x = 237,597,748,777.28/424,985.64
  6. Step 6: Final answer
    x = 559,072.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.