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Finding the Fourth Proportional to 669,802.84, 924,306.59 and 383,316.77

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Solution

The fourth proportional to 669,802.84, 924,306.59 and 383,316.77 is: 528,964.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,802.84 : 924,306.59 = 383,316.77 : x
  2. Step 2: Convert to fraction form
    669,802.84/924,306.59 = 383,316.77/x
  3. Step 3: Cross multiply
    669,802.84x = 924,306.59 × 383,316.77
  4. Step 4: Simplify right side
    669,802.84x = 354,302,219,837.57
  5. Step 5: Solve for x
    x = 354,302,219,837.57/669,802.84
  6. Step 6: Final answer
    x = 528,964.94

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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.