Home / 648,302.79-893,587.05-433,364.43

Finding the Fourth Proportional to 648,302.79, 893,587.05 and 433,364.43

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Solution

The fourth proportional to 648,302.79, 893,587.05 and 433,364.43 is: 597,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,302.79 : 893,587.05 = 433,364.43 : x
  2. Step 2: Convert to fraction form
    648,302.79/893,587.05 = 433,364.43/x
  3. Step 3: Cross multiply
    648,302.79x = 893,587.05 × 433,364.43
  4. Step 4: Simplify right side
    648,302.79x = 387,248,842,578.63
  5. Step 5: Solve for x
    x = 387,248,842,578.63/648,302.79
  6. Step 6: Final answer
    x = 597,327.13

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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.