Home / 956,345.05-1,319,655.81-542,750.12

Finding the Fourth Proportional to 956,345.05, 1,319,655.81 and 542,750.12

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Solution

The fourth proportional to 956,345.05, 1,319,655.81 and 542,750.12 is: 748,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,345.05 : 1,319,655.81 = 542,750.12 : x
  2. Step 2: Convert to fraction form
    956,345.05/1,319,655.81 = 542,750.12/x
  3. Step 3: Cross multiply
    956,345.05x = 1,319,655.81 × 542,750.12
  4. Step 4: Simplify right side
    956,345.05x = 716,243,349,621.94
  5. Step 5: Solve for x
    x = 716,243,349,621.94/956,345.05
  6. Step 6: Final answer
    x = 748,938.21

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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.