Home / 820,559.84-1,131,479.89-533,547.68

Finding the Fourth Proportional to 820,559.84, 1,131,479.89 and 533,547.68

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Solution

The fourth proportional to 820,559.84, 1,131,479.89 and 533,547.68 is: 735,715.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,559.84 : 1,131,479.89 = 533,547.68 : x
  2. Step 2: Convert to fraction form
    820,559.84/1,131,479.89 = 533,547.68/x
  3. Step 3: Cross multiply
    820,559.84x = 1,131,479.89 × 533,547.68
  4. Step 4: Simplify right side
    820,559.84x = 603,698,463,284.89
  5. Step 5: Solve for x
    x = 603,698,463,284.89/820,559.84
  6. Step 6: Final answer
    x = 735,715.35

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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.