Home / 723,482.46-1,085,685.39-510,118.74

Finding the Fourth Proportional to 723,482.46, 1,085,685.39 and 510,118.74

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Solution

The fourth proportional to 723,482.46, 1,085,685.39 and 510,118.74 is: 765,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,482.46 : 1,085,685.39 = 510,118.74 : x
  2. Step 2: Convert to fraction form
    723,482.46/1,085,685.39 = 510,118.74/x
  3. Step 3: Cross multiply
    723,482.46x = 1,085,685.39 × 510,118.74
  4. Step 4: Simplify right side
    723,482.46x = 553,828,463,183.21
  5. Step 5: Solve for x
    x = 553,828,463,183.21/723,482.46
  6. Step 6: Final answer
    x = 765,503.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.