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Finding the Fourth Proportional to 575,787.84, 793,984.32 and 495,487.68

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Solution

The fourth proportional to 575,787.84, 793,984.32 and 495,487.68 is: 683,254.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,787.84 : 793,984.32 = 495,487.68 : x
  2. Step 2: Convert to fraction form
    575,787.84/793,984.32 = 495,487.68/x
  3. Step 3: Cross multiply
    575,787.84x = 793,984.32 × 495,487.68
  4. Step 4: Simplify right side
    575,787.84x = 393,409,448,673.18
  5. Step 5: Solve for x
    x = 393,409,448,673.18/575,787.84
  6. Step 6: Final answer
    x = 683,254.18

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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.