Home / 745,165.02-1,117,465.56-318,683.10

Finding the Fourth Proportional to 745,165.02, 1,117,465.56 and 318,683.10

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Solution

The fourth proportional to 745,165.02, 1,117,465.56 and 318,683.10 is: 477,904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,165.02 : 1,117,465.56 = 318,683.10 : x
  2. Step 2: Convert to fraction form
    745,165.02/1,117,465.56 = 318,683.10/x
  3. Step 3: Cross multiply
    745,165.02x = 1,117,465.56 × 318,683.10
  4. Step 4: Simplify right side
    745,165.02x = 356,117,388,804.04
  5. Step 5: Solve for x
    x = 356,117,388,804.04/745,165.02
  6. Step 6: Final answer
    x = 477,904.06

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Double scale
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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.