Home / 723,240.33-998,095.93-400,931.20

Finding the Fourth Proportional to 723,240.33, 998,095.93 and 400,931.20

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Solution

The fourth proportional to 723,240.33, 998,095.93 and 400,931.20 is: 553,298.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,240.33 : 998,095.93 = 400,931.20 : x
  2. Step 2: Convert to fraction form
    723,240.33/998,095.93 = 400,931.20/x
  3. Step 3: Cross multiply
    723,240.33x = 998,095.93 × 400,931.20
  4. Step 4: Simplify right side
    723,240.33x = 400,167,799,175.31
  5. Step 5: Solve for x
    x = 400,167,799,175.31/723,240.33
  6. Step 6: Final answer
    x = 553,298.52

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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.