Home / 761,705.64-1,051,128.90-459,847.08

Finding the Fourth Proportional to 761,705.64, 1,051,128.90 and 459,847.08

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Solution

The fourth proportional to 761,705.64, 1,051,128.90 and 459,847.08 is: 634,573.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,705.64 : 1,051,128.90 = 459,847.08 : x
  2. Step 2: Convert to fraction form
    761,705.64/1,051,128.90 = 459,847.08/x
  3. Step 3: Cross multiply
    761,705.64x = 1,051,128.90 × 459,847.08
  4. Step 4: Simplify right side
    761,705.64x = 483,358,555,368.61
  5. Step 5: Solve for x
    x = 483,358,555,368.61/761,705.64
  6. Step 6: Final answer
    x = 634,573.95

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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.