Home / 470,153.03-649,088.06-286,460.87

Finding the Fourth Proportional to 470,153.03, 649,088.06 and 286,460.87

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Solution

The fourth proportional to 470,153.03, 649,088.06 and 286,460.87 is: 395,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,153.03 : 649,088.06 = 286,460.87 : x
  2. Step 2: Convert to fraction form
    470,153.03/649,088.06 = 286,460.87/x
  3. Step 3: Cross multiply
    470,153.03x = 649,088.06 × 286,460.87
  4. Step 4: Simplify right side
    470,153.03x = 185,938,325,696.47
  5. Step 5: Solve for x
    x = 185,938,325,696.47/470,153.03
  6. Step 6: Final answer
    x = 395,484.70

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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.