Home / 530,006.10-731,341.89-358,297.58

Finding the Fourth Proportional to 530,006.10, 731,341.89 and 358,297.58

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Solution

The fourth proportional to 530,006.10, 731,341.89 and 358,297.58 is: 494,405.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,006.10 : 731,341.89 = 358,297.58 : x
  2. Step 2: Convert to fraction form
    530,006.10/731,341.89 = 358,297.58/x
  3. Step 3: Cross multiply
    530,006.10x = 731,341.89 × 358,297.58
  4. Step 4: Simplify right side
    530,006.10x = 262,038,025,682.92
  5. Step 5: Solve for x
    x = 262,038,025,682.92/530,006.10
  6. Step 6: Final answer
    x = 494,405.68

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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.