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Finding the Fourth Proportional to 557,529.60, 769,352.94 and 302,875.32

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Solution

The fourth proportional to 557,529.60, 769,352.94 and 302,875.32 is: 417,947.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,529.60 : 769,352.94 = 302,875.32 : x
  2. Step 2: Convert to fraction form
    557,529.60/769,352.94 = 302,875.32/x
  3. Step 3: Cross multiply
    557,529.60x = 769,352.94 × 302,875.32
  4. Step 4: Simplify right side
    557,529.60x = 233,018,017,895.44
  5. Step 5: Solve for x
    x = 233,018,017,895.44/557,529.60
  6. Step 6: Final answer
    x = 417,947.35

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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.