Home / 761,834.81-1,051,343.90-417,702.16

Finding the Fourth Proportional to 761,834.81, 1,051,343.90 and 417,702.16

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Solution

The fourth proportional to 761,834.81, 1,051,343.90 and 417,702.16 is: 576,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,834.81 : 1,051,343.90 = 417,702.16 : x
  2. Step 2: Convert to fraction form
    761,834.81/1,051,343.90 = 417,702.16/x
  3. Step 3: Cross multiply
    761,834.81x = 1,051,343.90 × 417,702.16
  4. Step 4: Simplify right side
    761,834.81x = 439,148,618,724.88
  5. Step 5: Solve for x
    x = 439,148,618,724.88/761,834.81
  6. Step 6: Final answer
    x = 576,435.48

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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.