Home / 745,888.24-1,029,400.08-455,483.76

Finding the Fourth Proportional to 745,888.24, 1,029,400.08 and 455,483.76

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Solution

The fourth proportional to 745,888.24, 1,029,400.08 and 455,483.76 is: 628,612.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,888.24 : 1,029,400.08 = 455,483.76 : x
  2. Step 2: Convert to fraction form
    745,888.24/1,029,400.08 = 455,483.76/x
  3. Step 3: Cross multiply
    745,888.24x = 1,029,400.08 × 455,483.76
  4. Step 4: Simplify right side
    745,888.24x = 468,875,018,982.70
  5. Step 5: Solve for x
    x = 468,875,018,982.70/745,888.24
  6. Step 6: Final answer
    x = 628,612.97

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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.