Home / 771,795.52-1,065,448.02-542,549.32

Finding the Fourth Proportional to 771,795.52, 1,065,448.02 and 542,549.32

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Solution

The fourth proportional to 771,795.52, 1,065,448.02 and 542,549.32 is: 748,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,795.52 : 1,065,448.02 = 542,549.32 : x
  2. Step 2: Convert to fraction form
    771,795.52/1,065,448.02 = 542,549.32/x
  3. Step 3: Cross multiply
    771,795.52x = 1,065,448.02 × 542,549.32
  4. Step 4: Simplify right side
    771,795.52x = 578,058,098,746.35
  5. Step 5: Solve for x
    x = 578,058,098,746.35/771,795.52
  6. Step 6: Final answer
    x = 748,978.30

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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.