Home / 810,957.02-1,119,075.48-448,359.71

Finding the Fourth Proportional to 810,957.02, 1,119,075.48 and 448,359.71

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Solution

The fourth proportional to 810,957.02, 1,119,075.48 and 448,359.71 is: 618,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,957.02 : 1,119,075.48 = 448,359.71 : x
  2. Step 2: Convert to fraction form
    810,957.02/1,119,075.48 = 448,359.71/x
  3. Step 3: Cross multiply
    810,957.02x = 1,119,075.48 × 448,359.71
  4. Step 4: Simplify right side
    810,957.02x = 501,748,352,085.53
  5. Step 5: Solve for x
    x = 501,748,352,085.53/810,957.02
  6. Step 6: Final answer
    x = 618,711.40

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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.