Home / 745,925.63-1,029,349.76-456,022.76

Finding the Fourth Proportional to 745,925.63, 1,029,349.76 and 456,022.76

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Solution

The fourth proportional to 745,925.63, 1,029,349.76 and 456,022.76 is: 629,294.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,925.63 : 1,029,349.76 = 456,022.76 : x
  2. Step 2: Convert to fraction form
    745,925.63/1,029,349.76 = 456,022.76/x
  3. Step 3: Cross multiply
    745,925.63x = 1,029,349.76 × 456,022.76
  4. Step 4: Simplify right side
    745,925.63x = 469,406,911,133.68
  5. Step 5: Solve for x
    x = 469,406,911,133.68/745,925.63
  6. Step 6: Final answer
    x = 629,294.52

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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.