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Finding the Fourth Proportional to 569,030.29, 785,252.60 and 310,901.72

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Solution

The fourth proportional to 569,030.29, 785,252.60 and 310,901.72 is: 429,039.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,030.29 : 785,252.60 = 310,901.72 : x
  2. Step 2: Convert to fraction form
    569,030.29/785,252.60 = 310,901.72/x
  3. Step 3: Cross multiply
    569,030.29x = 785,252.60 × 310,901.72
  4. Step 4: Simplify right side
    569,030.29x = 244,136,382,742.52
  5. Step 5: Solve for x
    x = 244,136,382,742.52/569,030.29
  6. Step 6: Final answer
    x = 429,039.34

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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.