Home / 803,482.90-1,205,562.39-500,130.74

Finding the Fourth Proportional to 803,482.90, 1,205,562.39 and 500,130.74

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Solution

The fourth proportional to 803,482.90, 1,205,562.39 and 500,130.74 is: 750,406.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,482.90 : 1,205,562.39 = 500,130.74 : x
  2. Step 2: Convert to fraction form
    803,482.90/1,205,562.39 = 500,130.74/x
  3. Step 3: Cross multiply
    803,482.90x = 1,205,562.39 × 500,130.74
  4. Step 4: Simplify right side
    803,482.90x = 602,938,810,226.87
  5. Step 5: Solve for x
    x = 602,938,810,226.87/803,482.90
  6. Step 6: Final answer
    x = 750,406.52

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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.