Home / 630,788.80-946,334.40-210,068.32

Finding the Fourth Proportional to 630,788.80, 946,334.40 and 210,068.32

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Solution

The fourth proportional to 630,788.80, 946,334.40 and 210,068.32 is: 315,152.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,788.80 : 946,334.40 = 210,068.32 : x
  2. Step 2: Convert to fraction form
    630,788.80/946,334.40 = 210,068.32/x
  3. Step 3: Cross multiply
    630,788.80x = 946,334.40 × 210,068.32
  4. Step 4: Simplify right side
    630,788.80x = 198,794,877,566.21
  5. Step 5: Solve for x
    x = 198,794,877,566.21/630,788.80
  6. Step 6: Final answer
    x = 315,152.83

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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.