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Finding the Fourth Proportional to 669,588.46, 924,038.74 and 363,670.81

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Solution

The fourth proportional to 669,588.46, 924,038.74 and 363,670.81 is: 501,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,588.46 : 924,038.74 = 363,670.81 : x
  2. Step 2: Convert to fraction form
    669,588.46/924,038.74 = 363,670.81/x
  3. Step 3: Cross multiply
    669,588.46x = 924,038.74 × 363,670.81
  4. Step 4: Simplify right side
    669,588.46x = 336,045,918,343.74
  5. Step 5: Solve for x
    x = 336,045,918,343.74/669,588.46
  6. Step 6: Final answer
    x = 501,869.34

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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.