Home / 684,673.71-1,021,994.16-603,872.57

Finding the Fourth Proportional to 684,673.71, 1,021,994.16 and 603,872.57

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Solution

The fourth proportional to 684,673.71, 1,021,994.16 and 603,872.57 is: 901,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,673.71 : 1,021,994.16 = 603,872.57 : x
  2. Step 2: Convert to fraction form
    684,673.71/1,021,994.16 = 603,872.57/x
  3. Step 3: Cross multiply
    684,673.71x = 1,021,994.16 × 603,872.57
  4. Step 4: Simplify right side
    684,673.71x = 617,154,234,814.22
  5. Step 5: Solve for x
    x = 617,154,234,814.22/684,673.71
  6. Step 6: Final answer
    x = 901,384.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.