Home / 530,264.72-731,750.60-288,541.68

Finding the Fourth Proportional to 530,264.72, 731,750.60 and 288,541.68

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Solution

The fourth proportional to 530,264.72, 731,750.60 and 288,541.68 is: 398,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,264.72 : 731,750.60 = 288,541.68 : x
  2. Step 2: Convert to fraction form
    530,264.72/731,750.60 = 288,541.68/x
  3. Step 3: Cross multiply
    530,264.72x = 731,750.60 × 288,541.68
  4. Step 4: Simplify right side
    530,264.72x = 211,140,547,465.01
  5. Step 5: Solve for x
    x = 211,140,547,465.01/530,264.72
  6. Step 6: Final answer
    x = 398,179.51

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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.