Home / 708,022.83-977,068.57-385,731.93

Finding the Fourth Proportional to 708,022.83, 977,068.57 and 385,731.93

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Solution

The fourth proportional to 708,022.83, 977,068.57 and 385,731.93 is: 532,308.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,022.83 : 977,068.57 = 385,731.93 : x
  2. Step 2: Convert to fraction form
    708,022.83/977,068.57 = 385,731.93/x
  3. Step 3: Cross multiply
    708,022.83x = 977,068.57 × 385,731.93
  4. Step 4: Simplify right side
    708,022.83x = 376,886,545,248.44
  5. Step 5: Solve for x
    x = 376,886,545,248.44/708,022.83
  6. Step 6: Final answer
    x = 532,308.46

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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.