Home / 761,966.92-1,051,473.96-435,215.76

Finding the Fourth Proportional to 761,966.92, 1,051,473.96 and 435,215.76

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Solution

The fourth proportional to 761,966.92, 1,051,473.96 and 435,215.76 is: 600,574.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,966.92 : 1,051,473.96 = 435,215.76 : x
  2. Step 2: Convert to fraction form
    761,966.92/1,051,473.96 = 435,215.76/x
  3. Step 3: Cross multiply
    761,966.92x = 1,051,473.96 × 435,215.76
  4. Step 4: Simplify right side
    761,966.92x = 457,618,038,621.61
  5. Step 5: Solve for x
    x = 457,618,038,621.61/761,966.92
  6. Step 6: Final answer
    x = 600,574.68

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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.