Home / 916,000.11-1,264,100.40-508,088.67

Finding the Fourth Proportional to 916,000.11, 1,264,100.40 and 508,088.67

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Solution

The fourth proportional to 916,000.11, 1,264,100.40 and 508,088.67 is: 701,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,000.11 : 1,264,100.40 = 508,088.67 : x
  2. Step 2: Convert to fraction form
    916,000.11/1,264,100.40 = 508,088.67/x
  3. Step 3: Cross multiply
    916,000.11x = 1,264,100.40 × 508,088.67
  4. Step 4: Simplify right side
    916,000.11x = 642,275,090,982.47
  5. Step 5: Solve for x
    x = 642,275,090,982.47/916,000.11
  6. Step 6: Final answer
    x = 701,173.60

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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.