Home / 845,813.10-1,167,114.53-483,260.45

Finding the Fourth Proportional to 845,813.10, 1,167,114.53 and 483,260.45

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Solution

The fourth proportional to 845,813.10, 1,167,114.53 and 483,260.45 is: 666,837.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,813.10 : 1,167,114.53 = 483,260.45 : x
  2. Step 2: Convert to fraction form
    845,813.10/1,167,114.53 = 483,260.45/x
  3. Step 3: Cross multiply
    845,813.10x = 1,167,114.53 × 483,260.45
  4. Step 4: Simplify right side
    845,813.10x = 564,020,288,341.92
  5. Step 5: Solve for x
    x = 564,020,288,341.92/845,813.10
  6. Step 6: Final answer
    x = 666,837.96

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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.