Home / 707,403-974,054.22-533,226.28

Finding the Fourth Proportional to 707,403, 974,054.22 and 533,226.28

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Solution

The fourth proportional to 707,403, 974,054.22 and 533,226.28 is: 734,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,403 : 974,054.22 = 533,226.28 : x
  2. Step 2: Convert to fraction form
    707,403/974,054.22 = 533,226.28/x
  3. Step 3: Cross multiply
    707,403x = 974,054.22 × 533,226.28
  4. Step 4: Simplify right side
    707,403x = 519,391,308,248.90
  5. Step 5: Solve for x
    x = 519,391,308,248.90/707,403
  6. Step 6: Final answer
    x = 734,222.65

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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.