Home / 740,585.61-1,021,718.80-430,436.66

Finding the Fourth Proportional to 740,585.61, 1,021,718.80 and 430,436.66

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Solution

The fourth proportional to 740,585.61, 1,021,718.80 and 430,436.66 is: 593,834.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,585.61 : 1,021,718.80 = 430,436.66 : x
  2. Step 2: Convert to fraction form
    740,585.61/1,021,718.80 = 430,436.66/x
  3. Step 3: Cross multiply
    740,585.61x = 1,021,718.80 × 430,436.66
  4. Step 4: Simplify right side
    740,585.61x = 439,785,225,579.03
  5. Step 5: Solve for x
    x = 439,785,225,579.03/740,585.61
  6. Step 6: Final answer
    x = 593,834.42

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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.