Home / 788,259.40-1,183,263.90-489,077.80

Finding the Fourth Proportional to 788,259.40, 1,183,263.90 and 489,077.80

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Solution

The fourth proportional to 788,259.40, 1,183,263.90 and 489,077.80 is: 734,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,259.40 : 1,183,263.90 = 489,077.80 : x
  2. Step 2: Convert to fraction form
    788,259.40/1,183,263.90 = 489,077.80/x
  3. Step 3: Cross multiply
    788,259.40x = 1,183,263.90 × 489,077.80
  4. Step 4: Simplify right side
    788,259.40x = 578,708,105,031.42
  5. Step 5: Solve for x
    x = 578,708,105,031.42/788,259.40
  6. Step 6: Final answer
    x = 734,159.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.