Home / 767,307.69-1,058,861.46-423,143.46

Finding the Fourth Proportional to 767,307.69, 1,058,861.46 and 423,143.46

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Solution

The fourth proportional to 767,307.69, 1,058,861.46 and 423,143.46 is: 583,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,307.69 : 1,058,861.46 = 423,143.46 : x
  2. Step 2: Convert to fraction form
    767,307.69/1,058,861.46 = 423,143.46/x
  3. Step 3: Cross multiply
    767,307.69x = 1,058,861.46 × 423,143.46
  4. Step 4: Simplify right side
    767,307.69x = 448,050,301,845.05
  5. Step 5: Solve for x
    x = 448,050,301,845.05/767,307.69
  6. Step 6: Final answer
    x = 583,925.21

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Double scale
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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.