Home / 528,434.33-724,755.59-506,733.65

Finding the Fourth Proportional to 528,434.33, 724,755.59 and 506,733.65

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Solution

The fourth proportional to 528,434.33, 724,755.59 and 506,733.65 is: 694,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,434.33 : 724,755.59 = 506,733.65 : x
  2. Step 2: Convert to fraction form
    528,434.33/724,755.59 = 506,733.65/x
  3. Step 3: Cross multiply
    528,434.33x = 724,755.59 × 506,733.65
  4. Step 4: Simplify right side
    528,434.33x = 367,258,045,478.60
  5. Step 5: Solve for x
    x = 367,258,045,478.60/528,434.33
  6. Step 6: Final answer
    x = 694,992.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.