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Finding the Fourth Proportional to 503,916.18, 695,159.38 and 322,482.66

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Solution

The fourth proportional to 503,916.18, 695,159.38 and 322,482.66 is: 444,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,916.18 : 695,159.38 = 322,482.66 : x
  2. Step 2: Convert to fraction form
    503,916.18/695,159.38 = 322,482.66/x
  3. Step 3: Cross multiply
    503,916.18x = 695,159.38 × 322,482.66
  4. Step 4: Simplify right side
    503,916.18x = 224,176,845,986.35
  5. Step 5: Solve for x
    x = 224,176,845,986.35/503,916.18
  6. Step 6: Final answer
    x = 444,869.32

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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.