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Finding the Fourth Proportional to 584,484.80, 877,072.80 and 210,459.20

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Solution

The fourth proportional to 584,484.80, 877,072.80 and 210,459.20 is: 315,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,484.80 : 877,072.80 = 210,459.20 : x
  2. Step 2: Convert to fraction form
    584,484.80/877,072.80 = 210,459.20/x
  3. Step 3: Cross multiply
    584,484.80x = 877,072.80 × 210,459.20
  4. Step 4: Simplify right side
    584,484.80x = 184,588,039,829.76
  5. Step 5: Solve for x
    x = 184,588,039,829.76/584,484.80
  6. Step 6: Final answer
    x = 315,813.24

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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.