Home / 708,594.13-977,878.50-436,841.61

Finding the Fourth Proportional to 708,594.13, 977,878.50 and 436,841.61

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Solution

The fourth proportional to 708,594.13, 977,878.50 and 436,841.61 is: 602,852.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,594.13 : 977,878.50 = 436,841.61 : x
  2. Step 2: Convert to fraction form
    708,594.13/977,878.50 = 436,841.61/x
  3. Step 3: Cross multiply
    708,594.13x = 977,878.50 × 436,841.61
  4. Step 4: Simplify right side
    708,594.13x = 427,178,018,324.39
  5. Step 5: Solve for x
    x = 427,178,018,324.39/708,594.13
  6. Step 6: Final answer
    x = 602,852.89

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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.