Home / 832,555.53-1,148,947.54-470,012.90

Finding the Fourth Proportional to 832,555.53, 1,148,947.54 and 470,012.90

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Solution

The fourth proportional to 832,555.53, 1,148,947.54 and 470,012.90 is: 648,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,555.53 : 1,148,947.54 = 470,012.90 : x
  2. Step 2: Convert to fraction form
    832,555.53/1,148,947.54 = 470,012.90/x
  3. Step 3: Cross multiply
    832,555.53x = 1,148,947.54 × 470,012.90
  4. Step 4: Simplify right side
    832,555.53x = 540,020,158,303.50
  5. Step 5: Solve for x
    x = 540,020,158,303.50/832,555.53
  6. Step 6: Final answer
    x = 648,629.60

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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.