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Finding the Fourth Proportional to 630,465.31, 946,341.29 and 461,483.70

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Solution

The fourth proportional to 630,465.31, 946,341.29 and 461,483.70 is: 692,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,465.31 : 946,341.29 = 461,483.70 : x
  2. Step 2: Convert to fraction form
    630,465.31/946,341.29 = 461,483.70/x
  3. Step 3: Cross multiply
    630,465.31x = 946,341.29 × 461,483.70
  4. Step 4: Simplify right side
    630,465.31x = 436,721,079,971.97
  5. Step 5: Solve for x
    x = 436,721,079,971.97/630,465.31
  6. Step 6: Final answer
    x = 692,696.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.