Home / 758,947-1,047,346.88-457,199.32

Finding the Fourth Proportional to 758,947, 1,047,346.88 and 457,199.32

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Solution

The fourth proportional to 758,947, 1,047,346.88 and 457,199.32 is: 630,935.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,947 : 1,047,346.88 = 457,199.32 : x
  2. Step 2: Convert to fraction form
    758,947/1,047,346.88 = 457,199.32/x
  3. Step 3: Cross multiply
    758,947x = 1,047,346.88 × 457,199.32
  4. Step 4: Simplify right side
    758,947x = 478,846,281,340.12
  5. Step 5: Solve for x
    x = 478,846,281,340.12/758,947
  6. Step 6: Final answer
    x = 630,935.07

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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.