Home / 847,685.84-1,169,827.08-465,737.36

Finding the Fourth Proportional to 847,685.84, 1,169,827.08 and 465,737.36

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Solution

The fourth proportional to 847,685.84, 1,169,827.08 and 465,737.36 is: 642,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,685.84 : 1,169,827.08 = 465,737.36 : x
  2. Step 2: Convert to fraction form
    847,685.84/1,169,827.08 = 465,737.36/x
  3. Step 3: Cross multiply
    847,685.84x = 1,169,827.08 × 465,737.36
  4. Step 4: Simplify right side
    847,685.84x = 544,832,175,895.71
  5. Step 5: Solve for x
    x = 544,832,175,895.71/847,685.84
  6. Step 6: Final answer
    x = 642,728.89

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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.