Home / 790,076.89-1,090,303.10-427,501.45

Finding the Fourth Proportional to 790,076.89, 1,090,303.10 and 427,501.45

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Solution

The fourth proportional to 790,076.89, 1,090,303.10 and 427,501.45 is: 589,950.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,076.89 : 1,090,303.10 = 427,501.45 : x
  2. Step 2: Convert to fraction form
    790,076.89/1,090,303.10 = 427,501.45/x
  3. Step 3: Cross multiply
    790,076.89x = 1,090,303.10 × 427,501.45
  4. Step 4: Simplify right side
    790,076.89x = 466,106,154,051.99
  5. Step 5: Solve for x
    x = 466,106,154,051.99/790,076.89
  6. Step 6: Final answer
    x = 589,950.37

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Double scale
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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.