Home / 761,257.88-1,050,495.71-434,557.91

Finding the Fourth Proportional to 761,257.88, 1,050,495.71 and 434,557.91

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Solution

The fourth proportional to 761,257.88, 1,050,495.71 and 434,557.91 is: 599,666.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,257.88 : 1,050,495.71 = 434,557.91 : x
  2. Step 2: Convert to fraction form
    761,257.88/1,050,495.71 = 434,557.91/x
  3. Step 3: Cross multiply
    761,257.88x = 1,050,495.71 × 434,557.91
  4. Step 4: Simplify right side
    761,257.88x = 456,501,220,201.57
  5. Step 5: Solve for x
    x = 456,501,220,201.57/761,257.88
  6. Step 6: Final answer
    x = 599,666.99

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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.